function selectModel(pn) {

	var type = pn.substr(0, 1);
	var conn = pn.substr(1, 1);
	var volt = pn.substr(2, 1);

    if (type == "E") {
        document.codeform.sol_type[0].checked = 1;
    }
    if (type == "C") {
        document.codeform.sol_type[1].checked = 1;
    }
    
    if (conn == "1") {
        document.codeform.sol_wp[4].checked = 1;
    }
    if (conn == "2") {
        document.codeform.sol_wp[5].checked = 1;
    }
    if (conn == "3") {
        document.codeform.sol_wp[0].checked = 1;
    }
    if (conn == "4") {
        document.codeform.sol_wp[1].checked = 1;
    }
    if (conn == "5") {
        document.codeform.sol_wp[2].checked = 1;
    }
    if (conn == "6") {
        document.codeform.sol_wp[3].checked = 1;
    }

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



changeCode();
}

function changeCode() {

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

var pic = "VA";

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

var bodyMatDescrip = "<b>Body Material:</b> Nickel Plated Brass";
var sizeDescrip = "";
var sealDescrip = "";
var limDescrip  = "";
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 limpic = "";
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 limPrice = 0;
var limWeight = 0;

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 step1summary = "";
var step3summary = "";
var alertNote = "";
    
    // ====================== reset classes of all selection divs and table cells to UN-selected state
    resetSolDivs();

    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!";
    

// =================== Step 1 Summary =================
	var sizeDescrip = "<b>Size and Connection: </b>"+sizeDescrip;
    var sealDescrip = "<b>Seats and Seal Material: </b>"+ sealDescrip;
    var step1summary = bodyMatDescrip + "<br>"+sizeDescrip+"<br>"+sealDescrip;
    document.getElementById('step1summary').innerHTML = step1summary;    

    
        // ===================================================== Solenoids =============================================================
        
        
        // ===================================================== WeatherProof Solenoid ===============================================
        
        //	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 valve with ";
                document.getElementById('wireDiagram').value = "E";
             }
            if (document.codeform.sol_type[1].checked) {
             	document.getElementById('sol_type2').className="selectionChecked";    
 	    		var solType = "C";
             	var solTypeDescrip = "4-way/2-position valve with ";
                document.getElementById('wireDiagram').value = "C";
             }
        
        	if (document.codeform.sol_wp[0].checked) { 
            	document.getElementById('sol_wp1').className="selectionChecked"; 
                var solCon = "3"; var solpic = "3"; var solConDescrip = "Weatherproof coil (NEMA 4/4x) with 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 = "3"; var solConDescrip = "Weatherproof coil (NEMA 4/4x) with 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 = "3"; var solConDescrip = "Weatherproof coil (NEMA 4/4x) with 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 = "3"; var solConDescrip = "Weatherproof coil (NEMA 4/4x) with 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 = "2"; var solConDescrip = "Weatherproof coil (NEMA 4/4x) with potted DIN 1/2 inch conduit connector"; }

        	if (document.codeform.sol_wp[5].checked) { 
            	document.getElementById('sol_wp6').className="selectionChecked"; 
                var solCon = "2"; var solpic = "2"; var solConDescrip = "Explosion Proof coil (UL and CSA listed), with potted 1/2 inch conduit connector"; }
                
        



        // ===================================================== 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;
            var solDescrip = solTypeDescrip +" "+ solConDescrip+", "+ solVoltDescrip;

        
         // ======== end of ACTUATORS        
    
// ======================================================== SET step 2 summary ==================================================


    var solDescrip = "<b>NAMUR Solenoid: </b> "+solDescrip;
    
	var step1summary = solDescrip;

    document.getElementById('step1summary').innerHTML = step1summary;

// =========================================================== SET MODEL CODE =============================================
    
	var mc=sol; 
    var pic = solType + solpic;
//    var CADmc="VA";

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

var qty = document.codeform.qty.value;
    

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

	    	var priceSum = priceSum + "<br>Solenoid Price: "+solPrice+" ("+sol+")<br><b>Labor:</b> "+LABUNIT.price+" (1 LABUNIT)";
    		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+")<br>";
    		var weightSum = weightSum + "<br>Solenoid: "+solWeight+" ("+solBase+", "+solConID+")";
        }
        
    }

	// LIMIT SWITCH  =--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
		// (taken care of above when determining Limit Switch)

		
 
 	// LABOR =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    
		var mountLab = 0;        
      
   //alert(priceSum);
    
    var mountPrice= mountLab * LABUNIT.price;
    var fullPrice = Math.ceil(solPrice);
    var fullWeight = Math.ceil(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;

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

    
}

// ========================================================== 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 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_wp6').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 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";
        }
    }
}