function selectModel(pn) {

	var solenoid = "";

	var size = pn.substr(0, 1);
	var body = pn.substr(4, 1);
	var ways = pn.substr(5, 1);
	var act = pn.substr(6, 1);
	var fail = pn.substr(7, 1);
	var volt = pn.substr(8, 1);
   
//alert('size: '+size+' body: '+body+' ways: '+ways+' act: '+act+' fail: '+fail+' volt: '+volt );
	
//----------------------------------- SELECT SIZE ----------------------------	
	if (size == "B") {
		document.codeform.size[0].checked=true;
	}
	if (size == "C") {
		document.codeform.size[1].checked=true;
	}
	if (size == "D") {
		document.codeform.size[2].checked=true;
	}
	if (size == "E") {
		document.codeform.size[3].checked=true;
	}

//----------------------------------- SELECT Body Material ----------------------------	
	if (body == "B") {
		document.codeform.body[0].checked=true;
	}
	if (body == "S") {
		document.codeform.body[1].checked=true;
	}

//----------------------------------- SELECT Actuator (and voltage) ----------------------------	
	if (act == "E") {
		if (volt == "A") {
			document.codeform.act[0].checked=true;
        } else {
			document.codeform.act[1].checked=true;
        }
	}
	if (act == "P") {
    var solenoid = pn.substr(8); 
    //alert('solenoid: '+solenoid);
		document.codeform.act[2].checked=true;
	}

//----------------------------------- SELECT FAIL Position ----------------------------	
	if (fail == "0") {
		document.codeform.fail[0].checked=true;
	}
	if (fail == "C") {
		document.codeform.fail[1].checked=true;
	}

//----------------------------------- SELECT Ways ----------------------------	
	if (ways == "2") {
		document.codeform.ways[0].checked=true;
	}
	if (ways == "3") {
		document.codeform.ways[1].checked=true;
	}

    //------------------------------ Select Accessories --------------------------
    if (solenoid != "") {
            

        if (solenoid != "") { 	// there is a solenoid - select the right one
        	var soltype = solenoid.substr(0, 1);
        	var solconn = solenoid.substr(1, 1);
        	var solvolt = solenoid.substr(2, 1);
            
            if (soltype == "E") {
            	document.codeform.sol_type[0].checked=true;
            }
            if (soltype == "C") {
            	document.codeform.sol_type[1].checked=true;
            }

            if (solconn == "1") {
	            selectSolType('wpSol');
            	document.codeform.solenoid[1].checked=true;
            	document.codeform.sol_wp[4].checked=true;
            }
            if (solconn == "2") {
	            selectSolType('xpSol');
            	document.codeform.solenoid[2].checked=true;
              	document.codeform.sol_xp.checked=true;
          	}
            if (solconn == "3") {
	            selectSolType('wpSol');
            	document.codeform.solenoid[1].checked=true;
            	document.codeform.sol_wp[0].checked=true;
            }
            if (solconn == "4") {
	            selectSolType('wpSol');
            	document.codeform.solenoid[1].checked=true;
            	document.codeform.sol_wp[1].checked=true;
            }
            if (solconn == "5") {
	            selectSolType('wpSol');
            	document.codeform.solenoid[1].checked=true;
            	document.codeform.sol_wp[2].checked=true;
            }
            if (solconn == "6") {
	            selectSolType('wpSol');
            	document.codeform.solenoid[1].checked=true;
            	document.codeform.sol_wp[3].checked=true;
            }


            if (solvolt == "E") {
            	document.codeform.sol_volt[0].checked=true;
            }
            if (solvolt == "A") {
            	document.codeform.sol_volt[1].checked=true;
            }
            if (solvolt == "C") {
            	document.codeform.sol_volt[2].checked=true;
            }
            if (solvolt == "F") {
            	document.codeform.sol_volt[3].checked=true;
            }
            if (solvolt == "B") {
            	document.codeform.sol_volt[4].checked=true;
            }

        }
        

    }


changeCode();
} 

function changeCode() {

// set vars that don't change and initialize others	
var sol = "";
var seal = "";
var bodyMat = "";
var voltage = "";
var fail = "";

var pic = "VAX";

var solVolt = "";
var solType = "";
var solCon = "";

var bodyMatDescrip = "";
var sizeDescrip = "";
var sealDescrip = "";
var solDescrip = "";
var solConDescrip = "";
var solVoltDescrip = "";
var solTypeDescrip = "";
var solRatingDescrip = "";
var accessDescrip = ""; // ----------- actuator accesories on assembly
var accessoryDescrip = "";	// ------- accesories that ship loose

var actpic = "";
var solpic = "";
var failPos = "";

var accPrice = 0;
var priceSum = "<b style='font-size:12px; font-weight:bold;'>Pricing:</b>";
var weightSum = "<b style='font-size:12px; font-weight:bold;'>Weight:</b>";

var ways = "";

var solPrice = 0;
var solWeight = 0;

var price = 0;
var accessPrice = 0;
var accessoryPrice = 0;

var assemblyWeight = 0;
var accessWeight = 0;
var accessoryWeight = 0;

var actcad = "";

var S4mod = "";
var S4bat = "";
var S4din = "";
var s4kitName = "";

var step1summary = "";
var step2summary = "";
var step3summary = "";
var alertNote = "";
    
    // ====================== reset classes of all selection divs and table cells to UN-selected state
    resetSizeDivs(); 
    resetBodyDivs();
    resetSolDivs();
    resetFailDivs();
    resetWaysDivs();
    
    // =========================== re enable SS ========================
    		document.codeform.body[1].disabled=0;
			document.getElementById('body2').style.color="#000000";


    document.getElementById('wiringIcon').style.display="none";

    document.codeform.sol_type[0].disabled=0;
    document.getElementById('sol_type1').style.color="#000000";
    

	// ================= reset summary boxes ==========================
       document.getElementById('priceSummary').innerHTML = "Error!";
       document.getElementById('weightSummary').innerHTML = "Error!";


// ================================================ WAYS / FUNCTION ====================================================
    if (document.codeform.ways[0].checked) { document.getElementById('ways1').className="selectionChecked"; var ways = "2"; var funcDescrip = "2-positiion, 2-way"; }
    if (document.codeform.ways[1].checked) { document.getElementById('ways2').className="selectionChecked"; var ways = "3"; var funcDescrip = "2-position, 3-way";
			document.codeform.body[1].disabled=1;
			document.getElementById('body2').style.color="#CCCCCC";
			document.codeform.body[0].checked=1;
            
            document.getElementById('failClosed').innerHTML = "Fail to C port";
            document.getElementById('failOpen').innerHTML = "Fail to B port";
            
            document.getElementById('fail-to-B').src = "fail-to-B.svg";
            document.getElementById('fail-to-C').src = "fail-to-C.svg";
    	} else {
            document.getElementById('failClosed').innerHTML = "CLOSED";
            document.getElementById('failOpen').innerHTML = "OPEN";

            document.getElementById('fail-to-B').src = "fail-open.svg";
            document.getElementById('fail-to-C').src = "fail-closed.svg";
        }
    
// ================================================ SIZE ====================================================
    if (document.codeform.size[0].checked) { document.getElementById('size1').className="selectionChecked"; var siz = "B"; var sizeDescrip = "3/8 inch NPT"; }
    if (document.codeform.size[1].checked) { document.getElementById('size2').className="selectionChecked"; var siz = "C"; var sizeDescrip = "1/2 inch NPT"; }
    if (document.codeform.size[2].checked) { document.getElementById('size3').className="selectionChecked"; var siz = "D"; var sizeDescrip = "3/4 inch NPT"; }
    if (document.codeform.size[3].checked) { document.getElementById('size4').className="selectionChecked"; var siz = "E"; var sizeDescrip = "1 inch NPT"; }


// =================== exceptions for certain sizes =================

// ================================================ BODY ====================================================
    if (document.codeform.body[0].checked) { document.getElementById('body1').className="selectionChecked"; var bodyMat = "B"; var endCapDescrip = "Brass (wetted)"; }
    if (document.codeform.body[1].checked) { document.getElementById('body2').className="selectionChecked"; var bodyMat = "S"; var endCapDescrip = "Stainless Steel (wetted)" }



    
// ================================================= ACTUATORS =============================================
    
	resetActDivs();
    
    if (document.codeform.act[0].checked) { 
    		document.getElementById('act_1').className="selectionChecked"; 
            var act = "E"; var voltage = "A";  
            var actDescrip = "Electric 120VAC (sized for use in applications up to 600psi &Delta;P [180psi for flow from B to A])"; 
            var bodyMatDescrip = "Nickel Plated Steel (non-wetted)";
            document.getElementById('onOff').style.display = 'none';
    }
    if (document.codeform.act[1].checked) { 
    		document.getElementById('act_2').className="selectionChecked"; 
            var act = "E"; var voltage = "B"; 
            var actDescrip = "Electric 24VDC (sized for use in applications up to 600psi &Delta;P [180psi for flow from B to A])"; 
            var bodyMatDescrip = "Nickel Plated Steel (non-wetted)";
            document.getElementById('onOff').style.display = 'none';
    }
    if (document.codeform.act[2].checked) { 
    		document.getElementById('act_3').className="selectionChecked"; 
            var act = "P"; 
            var actDescrip = "Spring Return (sized for using 60 to 120 psi supply air in applications up to 600psi &Delta;P)"; 
            var bodyMatDescrip = "Aluminum (non-wetted)";
            document.getElementById('onOff').style.display = '';
    }
    
   
    
        // ===================================================== Solenoids =============================================================
        
        
        // ===================================================== WeatherProof Solenoid ===============================================
        
    if (act == "P") {
    	if (document.codeform.solenoid[1].checked) {
        	var solRatingDescrip = "Weatherproof (NEMA 4/4x)"; 
        
            if (document.codeform.sol_type[0].checked) {
             	document.getElementById('sol_type1').className="selectionChecked";    
    	        var solType = "E";
             	var solTypeDescrip = "3-way/2-position, with ";
             }
            if (document.codeform.sol_type[1].checked) {
             	document.getElementById('sol_type2').className="selectionChecked";    
 	    		var solType = "C";
             	var solTypeDescrip = "4-way/2-position, with ";
             }
        
        	if (document.codeform.sol_wp[0].checked) { 
            	document.getElementById('sol_wp1').className="selectionChecked"; 
                var solCon = "3"; var solpic = "E3"; var solConDescrip = "DIN cord grip cable gland (PG9) connector"; }
                
        	if (document.codeform.sol_wp[1].checked) { 
            	document.getElementById('sol_wp2').className="selectionChecked"; 
                var solCon = "4"; var solpic = "E3"; var solConDescrip = "plastic DIN 1/2 inch conduit connector"; }
                
        	if (document.codeform.sol_wp[2].checked) { 
            	document.getElementById('sol_wp3').className="selectionChecked"; 
                var solCon = "5"; var solpic = "E3"; var solConDescrip = "DIN cord set connector with 6 foot cable"; }
                
        	if (document.codeform.sol_wp[3].checked) { 
            	document.getElementById('sol_wp4').className="selectionChecked"; 
                var solCon = "6"; var solpic = "E3"; var solConDescrip = "DIN cord set connector with 15 foot cable"; }
                
        	if (document.codeform.sol_wp[4].checked) { 
            	document.getElementById('sol_wp5').className="selectionChecked"; 
                var solCon = "1"; var solpic = "E2"; var solConDescrip = "potted DIN 1/2 inch conduit connector"; }
                
        }


        // ===================================================== Explosion Proof Solenoid ===============================================

    	if (document.codeform.solenoid[2].checked) {
        		var solRatingDescrip = "Explosion Proof (UL &amp; CSA Listed)"; 
        
            if (document.codeform.sol_type[0].checked) {
             	document.getElementById('sol_type1').className="selectionChecked";    
    	        var solType = "E";
             	var solTypeDescrip = "3-way/2-position, with ";
             }
            if (document.codeform.sol_type[1].checked) {
             	document.getElementById('sol_type2').className="selectionChecked";    
 	    		var solType = "C";
             	var solTypeDescrip = "4-way/2-position, with ";
             }
             
        	var solCon = "2"; var solpic = "E2"; //**************** no need to check - it's the only one 
            var solDescrip = "Explosion Proof (UL and CSA listed), 4-way/2-position, with potted 1/2 inch conduit connector.";
        }

		if (solCon != "") {
        // ===================================================== Solenoid Voltage ===============================================
            if (document.codeform.sol_volt[0].checked) { document.getElementById('sol_volt1').className="selectionChecked"; var solVolt = "E"; var solVoltDescrip = "24VAC"; 
            }
            
            if (document.codeform.sol_volt[1].checked) { document.getElementById('sol_volt2').className="selectionChecked"; var solVolt = "A"; var solVoltDescrip = "120VAC"; 
            }
            
            if (document.codeform.sol_volt[2].checked) { document.getElementById('sol_volt3').className="selectionChecked"; var solVolt = "C"; var solVoltDescrip = "220VAC"; 
            }

            if (document.codeform.sol_volt[3].checked) { document.getElementById('sol_volt4').className="selectionChecked"; var solVolt = "F"; var solVoltDescrip = "12VDC"; 
            }

            if (document.codeform.sol_volt[4].checked) { document.getElementById('sol_volt5').className="selectionChecked"; var solVolt = "B"; var solVoltDescrip = "24VDC"; 
            }
            
 			var sol = solType + solCon + solVolt;
             var solDescrip = solRatingDescrip + " " + solTypeDescrip +" "+ solConDescrip+", "+ solVoltDescrip;
           
            
        }
    }
        
        
        
         // ======== end of ACTUATORS        


// =================== Step 1 Summary =================

	var flowTube = "<b>Flow Tube: </b>Stainless Steel (wetted)";

	var endCapDescrip = "<b>End Caps: </b>"+endCapDescrip;
	var bodyMatDescrip = "<b>Center Body: </b>"+bodyMatDescrip;
	var sizeDescrip = "<b>Size and Connection: </b>"+sizeDescrip;
	var waysDescrip = "<b>Valve Function: </b> 2-position, "+ways+"-way";
    var sealDescrip = "<b>Seat: </b> PTFE<br><b>Seals:</b> FPM (Viton&reg;) ";
    
    var step1summary = endCapDescrip + "<br>" + bodyMatDescrip + "<br>"+flowTube+ "<br>"+sealDescrip+"<br>"+sizeDescrip+ "<br>"+waysDescrip;
    
    document.getElementById('step1summary').innerHTML = step1summary;


    
// ======================================================== SET step 2 summary ==================================================


// ================================================ FAIL POSITION ====================================================
    if (document.codeform.fail[0].checked) { document.getElementById('fail1').className="selectionChecked"; var fail = "0"; var failDescrip = "Fail OPEN"; }
    if (document.codeform.fail[1].checked) { document.getElementById('fail2').className="selectionChecked"; var fail = "C"; var failDescrip = "Fail CLOSED"; }


	var actDescrip = "<b>Actuator: </b>"+actDescrip +" "+ failDescrip;    
    
    
    if (act == "P") {
    	var solDescrip = "<b>NAMUR Solenoid: </b> "+solDescrip;
    }

    
    var step2summary = actDescrip;
	    	if (document.codeform.solenoid[0].checked == false) { step2summary += "<br>" + solDescrip; }

    document.getElementById('step2summary').innerHTML = step2summary;


// ======================================================== SET step 3 summary ==================================================

// =========================================================== SET MODEL CODE =============================================
    
	var mc=siz+"VAX"+bodyMat+ways+act+fail+voltage+sol; 
	var valveBody= siz+"VAX"+bodyMat+ways+act+fail+voltage; 

    if (act == "O") {
		var valveBody= "_"+siz+"VAC"+seal; 
	}
    
   // if (document.codeform.solenoid[0].checked == 0) { var solpic = solType+solpic;}
    var pic = bodyMat+ways+act+solpic;
    var CADmc=siz+"VAX"+bodyMat+ways+act;

	document.getElementById('PN').innerHTML =mc;
    document.codeform.id.value=mc;
	document.getElementById('MClinks').innerHTML =mc;
    document.getElementById('mainIMG').src = "/VAX/models/"+pic+".jpg";
    document.codeform.imgsrc.value="/VAX/models/"+pic+".jpg";
    
    
    document.codeform.CADmc.value=CADmc;
// =========================================================== SET PRICING =============================================

var qty = document.codeform.qty.value;

	// VALVE =--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
    	var basePrice = eval(valveBody+".price");
    	var baseWeight = eval(valveBody+".weight");
    
		var priceSum = priceSum + "<br>Valve Price: "+basePrice+" ("+valveBody+")";
		var weightSum = weightSum + "<br>Valve: "+baseWeight+" ("+valveBody+")";

	// SOLENOID =--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
    
    if (sol != "") {
    	if (solCon == "1" || solCon == "2") {
        	solPrice = eval(sol+".price");
            solWeight = eval(sol+".weight");

	    	var priceSum = priceSum + "<br>Solenoid Price: "+solPrice+" ("+sol+")";
    		var weightSum = weightSum + "<br>Solenoid: "+solWeight+" ("+sol+")";

        } else {
        	solBase = solType + solVolt;
            if (solCon == "3") { var solConID = "VEP_1005_70_HC"; }
            if (solCon == "4") { var solConID = "VEP_1005_70_HCC"; }
            if (solCon == "5") { var solConID = "CA5J560_000_US0G"; }
            if (solCon == "6") { var solConID = "CA5J5F0_000_US0G"; }
            solPrice = eval(solBase+".price") + eval(solConID+".price");
            solWeight = eval(solBase+".weight") + eval(solConID+".weight");

	    	var priceSum = priceSum + "<br>Solenoid Price: "+solPrice+" ("+solBase+", "+solConID+")";
    		var weightSum = weightSum + "<br>Solenoid: "+solWeight+" ("+solBase+", "+solConID+")";
        }
        
    }

		
 
 	// LABOR =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    
   if (sol != "") {
		var mountLab = 0;        
   } else {
		var mountLab = 1;        
   }
      
   //alert(priceSum);
    
    var mountPrice= mountLab * LABUNIT.price;
    var fullPrice = Math.ceil(basePrice + solPrice);
    var fullWeight = Math.ceil(baseWeight + solWeight);
    
   document.getElementById('price').innerHTML = fullPrice;
   document.codeform.price.value=fullPrice;
   document.codeform.weight.value=fullWeight;
   
   document.getElementById('priceSummary').innerHTML = priceSum;
   document.getElementById('weightSummary').innerHTML = weightSum+"<br><b>TOTAL: </b>"+fullWeight+" lbs.";
   
   var totalPrice = (fullPrice + accessPrice) * qty;
   
   document.getElementById('totalPrice').innerHTML = totalPrice;


// =========================================================== SET DESCRIPTION =============================================

    var fullSummary = step1summary + "<br>" + step2summary + "<br>" + step3summary;

	if (alertNote != "") {
   // alert(alertNote+ 'oooooops');
    	var fullSummary = fullSummary + "<br>" + alertNote;
    }
    document.getElementById('fullSummary').innerHTML = fullSummary;
	document.codeform.info.value=fullSummary;

	if (accessoryPrice != 0) {
    	document.getElementById('accessoryPriceText').style.display="block";
    	document.getElementById('accessoryPrice').innerHTML=accessoryPrice;
        document.getElementById('accessorySummary').innerHTML=accessoryDescrip;        
      
    } else {
    	document.getElementById('accessoryPriceText').style.display="none";
    }
    
    // ----------------------- set dimension page ------------------------------------------

	if (act == "P") {
    	if (ways == "2") {
			document.codeform.dimPage.value = 2;
        }
    	if (ways == "3") {
			document.codeform.dimPage.value = 3;
        }
    }

	if (act == "E") {
    	if (ways == "2") {
			document.codeform.dimPage.value = 4;
        }
    	if (ways == "3") {
			document.codeform.dimPage.value = 5;
        }
    }
    
    
}

// ========================================================== END OF MAIN FUNCTION ============================================================


// ============================================================= OTHER FUNCTIONS =========================================================

function addToCart() {
	document.codeform.submit();
}


function showHideAccess(item) { 
	if (document.getElementById(item+"BOX").style.display == "none") {
    	document.getElementById(item+"BOX").style.display = "block";
        document.getElementById(item+"HEAD").className = "accessHeadOpen";
        document.getElementById(item).checked = 1;
    } else {
    	document.getElementById(item+"BOX").style.display = "none";
        document.getElementById(item+"HEAD").className = "accessHead";
        document.getElementById(item).checked = 0;
    }
}


function resetSizeDivs() {
	document.getElementById('size1').className="selection";
	document.getElementById('size2').className="selection";
	document.getElementById('size3').className="selection";
	document.getElementById('size4').className="selection";
}

function resetActDivs() {
	document.getElementById('act_1').className="selection";
	document.getElementById('act_2').className="selection";
	document.getElementById('act_3').className="selection";
}


function resetBodyDivs() {
	document.getElementById('body1').className="selection";
	document.getElementById('body2').className="selection";
}

function resetFailDivs() {
	document.getElementById('fail1').className="selection";
	document.getElementById('fail2').className="selection";
}

function resetWaysDivs() {
	document.getElementById('ways1').className="selection";
	document.getElementById('ways2').className="selection";
}

function resetSolDivs() {
	document.getElementById('sol_wp1').className="selection";
	document.getElementById('sol_wp2').className="selection";
	document.getElementById('sol_wp3').className="selection";
	document.getElementById('sol_wp4').className="selection";
	document.getElementById('sol_wp5').className="selection";

	document.getElementById('sol_type1').className="selection";
	document.getElementById('sol_type2').className="selection";

	document.getElementById('sol_volt1').className="selection";
	document.getElementById('sol_volt2').className="selection";
	document.getElementById('sol_volt3').className="selection";
	document.getElementById('sol_volt4').className="selection";
	document.getElementById('sol_volt5').className="selection";
}



function selectActType(type) {
	document.getElementById('air').className="tab";
	document.getElementById('elec').className="tab";
	document.getElementById('man').className="tab";

	document.getElementById(type).className="tabSelected";	
    
	document.getElementById('airSection').style.display="none";
	document.getElementById('elecSection').style.display="none";
	document.getElementById('manSection').style.display="none";

	document.getElementById(type+'Section').style.display="block";
    
}

function selectSolType(type) {
	document.getElementById('noSol').className="tab";
	document.getElementById('wpSol').className="tab";
	document.getElementById('xpSol').className="tab";

	document.getElementById(type).className="tabSelected";	
    
	document.getElementById('noSolSection').style.display="none";
	document.getElementById('wpSolSection').style.display="none";
	document.getElementById('xpSolSection').style.display="none";

	document.getElementById(type+'Section').style.display="block";
    
    if (type != "noSol") {
    	document.getElementById('solVoltage').style.display="block";
    } else {
    	document.getElementById('solVoltage').style.display="none";
    }
    
}



function closeStep(step) {
	document.getElementById('step'+step+'close').style.display="none";
	document.getElementById('step'+step+'edit').style.display="block";

	document.getElementById('step'+step+'section').style.display="none";
	document.getElementById('step'+step+'summary').style.display="block";
}


function editStep(step) {
	document.getElementById('step'+step+'close').style.display="block";
	document.getElementById('step'+step+'edit').style.display="none";
    
	document.getElementById('step'+step+'section').style.display="block";
	document.getElementById('step'+step+'summary').style.display="none";    
}

function showInfo(what) {
	if (document.getElementById(what).style.display != "none") {
    	document.getElementById(what).style.display = "none";
            document.getElementById("specsBut").className = "infoTab";
            document.getElementById("descripBut").className = "infoTab";
    } else {
    	if (what == "description") {
 	   		document.getElementById("specs").style.display = "none";
 	   		document.getElementById("description").style.display = "block";
            document.getElementById("descripBut").className = "infoTabSelected";
            document.getElementById("specsBut").className = "infoTab";
        } else {
 	   		document.getElementById("specs").style.display = "block";
 	   		document.getElementById("description").style.display = "none";
            document.getElementById("specsBut").className = "infoTabSelected";
            document.getElementById("descripBut").className = "infoTab";
        }
    }
}