function selectModel(pn) {

	var size = pn.substr(2, 4);
	var voltage = pn.substr(8, 1);
//	alert(size);
//	alert(voltage);

	var extras = pn.substr(9);    
//	alert(extras);

//----------------------------------- SELECT SIZE ----------------------------	
	if (size == "0170") {
		document.codeform.size[0].checked=true;
	}
	if (size == "0300") {
		document.codeform.size[1].checked=true;
	}
	if (size == "0480") {
		document.codeform.size[2].checked=true;
	}


//----------------------------------- SELECT SIZE ----------------------------	
	if (voltage == "1") {
		document.codeform.volt[0].checked=true;
	}
	if (voltage == "2") {
		document.codeform.volt[1].checked=true;
	}




    
	   // var actuatorAcces = pn.substr(11);
	   var actuatorAcces = extras;
        
		if (actuatorAcces == "-BSRC") {
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[0].checked = 1;
            showHideAccess('S4bat');
        }
		if (actuatorAcces == "-BSRO") {
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[1].checked = 1;
            showHideAccess('S4bat');
        }
        
        
		if (actuatorAcces == "-EP420C") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[0].checked = 1;
            showHideAccess('S4mod');
        }
		if (actuatorAcces == "-EP420O") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[0].checked = 1;
            document.codeform.controlFailPos.checked = 1;
            showHideAccess('S4mod');
        }
		if (actuatorAcces == "-EP010C") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[1].checked = 1;
            showHideAccess('S4mod');
        }
		if (actuatorAcces == "-EP010O") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[1].checked = 1;
            document.codeform.controlFailPos.checked = 1;
            showHideAccess('S4mod');
        }


		if (actuatorAcces == "-EP420O-BSRC") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[0].checked = 1;
            document.codeform.controlFailPos.checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[0].checked = 1;
            showHideAccess('S4bat');
        }

		if (actuatorAcces == "-EP420C-BSRC") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[0].checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[0].checked = 1;
            showHideAccess('S4bat');
        }

		if (actuatorAcces == "-EP010O-BSRC") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[1].checked = 1;
            document.codeform.controlFailPos.checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[0].checked = 1;
            showHideAccess('S4bat');
        }

		if (actuatorAcces == "-EP010C-BSRC") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[1].checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[0].checked = 1;
            showHideAccess('S4bat');
        }


		if (actuatorAcces == "-EP420O-BSRO") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[0].checked = 1;
            document.codeform.controlFailPos.checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[1].checked = 1;
            showHideAccess('S4bat');
        }

		if (actuatorAcces == "-EP420C-BSRO") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[0].checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[1].checked = 1;
            showHideAccess('S4bat');
        }

		if (actuatorAcces == "-EP010O-BSRO") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[1].checked = 1;
            document.codeform.controlFailPos.checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[1].checked = 1;
            showHideAccess('S4bat');
        }

		if (actuatorAcces == "-EP010C-BSRO") {
  			document.codeform.S4mod.checked=true;
            document.codeform.posType[1].checked = 1;
            showHideAccess('S4mod');
  			document.codeform.S4bat.checked=true;
            document.codeform.batType[1].checked = 1;
            showHideAccess('S4bat');
        }
		


changeCode();
}

function changeCode() {

// set vars that don't change and initialize others	
var voltage = "";
var size = "";
var solCon = "";

var actDescrip = "<b>Actuator Type:</b> Heavy-duty explosion proof electric actuator";
var sizeDescrip = "";
var sealDescrip = "";
var limDescrip  = "";
var posDescrip  = "";
var solConDescrip = "";
var solVoltDescrip = "";
var solTypeDescrip = "";
var solRatingDescrip = "";
var accessDescrip = ""; // ----------- actuator accesories on assembly
var accessoryDescrip = "";	// ------- accesories that ship loose

var voltDescrip= "";
var actpic = "";
var solpic = "";
var limpic = "";
var pospic = "";
var failPos = "";

var sum2a = "";
var sum2b = "";

var torque = "";

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 posPrice = 0;
var posWeight = 0;

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

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

var act = "";
var actcad = "";

var mod = "";

var wireDiagramPage = "2";
var dimPage = "4";

var step1summary = "";
var step2summary = "";
var step3summary = "";

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

CADmc    

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


    
// ================================================ SIZE ====================================================
    if (document.codeform.size[0].checked) { document.getElementById('size1').className="selectionChecked"; 
    	var size = "300"; 
        var torque = "300"; 
        var ISO = "F04"; 
        var stem = "11mm (female)";
        var speed = "10"; 
        
    	if (document.codeform.volt[0].checked) { 
    	    var duty = "30"; 
        } else {
	        var duty = "100"; 
        } 
    }
    if (document.codeform.size[1].checked) { document.getElementById('size2').className="selectionChecked"; 
    	var size = "500"; 
        var torque = "1000"; 
        var ISO = "F07/10"; 
        var stem = "17mm (female)";
        var speed = "15"; 
		var dimPage = "5";
        
    	if (document.codeform.volt[0].checked) { 
	        var duty = "100"; 
        } else {
	        var duty = "100"; 
        } 
    }
    if (document.codeform.size[2].checked) { document.getElementById('size3').className="selectionChecked"; 
    	var size = "810"; 
		var dimPage = "6";
        var torque = "3500"; 
        var ISO = "3.25 and 5 inch 4-bolt circles"; 
        var stem = "35mm bore with key (female)"; 
        var speed = "30"; 
        
    	if (document.codeform.volt[0].checked) { 
	        var duty = "100"; 
        } else {
	        var duty = "100"; 
        } 
    

    }

//=========================================== Accesories =======================================================

        	resetB7access();									
        	document.getElementById('B7access').style.display = "block";

				// ============================================================= Modulating (B7mod) ===========

			if (document.codeform.B7mod.checked) {

           		var wireDiagramPage = "3";
            
    	       if (document.codeform.B7controlFailPos.checked) {
              		document.getElementById('B7EP420O').innerHTML = "4 = Open; 20 = Closed";
              		document.getElementById('B7EP010O').innerHTML = "0 = Open; 10 = Closed";
               } else {
              		document.getElementById('B7EP420O').innerHTML = "4 = Closed; 20 = Open";
              		document.getElementById('B7EP010O').innerHTML = "0 = Closed; 10 = Open";
               }


				if (document.codeform.B7posType[0].checked) { 
                	document.getElementById('B7posType1').className="accessSectionChecked";
                    if (document.codeform.B7controlFailPos.checked) {
                    	var B7mod = "-EP420O";
                        var modDescrip = "4-20mA (fail to Open upon loss of control signal [main power still required]) modulating positioner"; 
                    } else {
                    	var B7mod = "-EP420C"; 
                        var modDescrip = "4-20mA (fail to Closed upon loss of control signal [main power still required]) modulating positioner"; 
                    }
                }
				if (document.codeform.B7posType[1].checked) { 
                	document.getElementById('B7posType2').className="accessSectionChecked";
                    if (document.codeform.B7controlFailPos.checked) {
                    	var B7mod = "-EP010O"; 
                        var modDescrip = "0-10VDC (fail to Open) modulating positioner"; 
                    } else {
                    	var B7mod = "-EP010C"; 
                        var modDescrip = "0-10VDC (fail to Closed) modulating positioner"; 
                    }
                }
                
                if (act=="B7A") {
	                var priceSum = priceSum + "<br>***B7 Modulating Board: "+(B7MODAC.price)+" (added to actuator price already) (B7MODAC)";
                }
                if (act=="B7B") {
	                var priceSum = priceSum + "<br>***B7 Modulating Board: "+(B7MODDC.price)+" (added to actuator price already) (B7MODDC)";
                }

				var actDescrip = actDescrip + " with <b>"+B7mod+"</b> "+modDescrip;
            }

				// ============================================================= 2 Extra Switches (B7xs) ===========
			if (document.codeform.B7xs.checked) {
            	var B7xs="-2XS";
            
                var priceSum = priceSum + "<br>***B7 Xtra Switches: "+(B72XS.price)+" (added to actuator price already) (B72XS)";

				var actDescrip = actDescrip + " with <b>"+B7xs+"</b> 2 extra switches";
            }

// ================================================ Voltage ====================================================
    if (document.codeform.volt[0].checked) { document.getElementById('volt1').className="selectionChecked"; var volt = "02"; var voltDescrip = "120 VAC"; }
    if (document.codeform.volt[1].checked) { document.getElementById('volt2').className="selectionChecked"; var volt = "11"; var voltDescrip = "24 VDC"; }


// ================= FIGURE 3 digit CODE for END of Actuator MC =========================

var XSprice = 0;
var MODprice = 0;


			if (document.codeform.B7mod.checked == 0 && document.codeform.B7xs.checked == 0) { // ============ NEITHER
            	code = "001";
            }
            
			if (document.codeform.B7mod.checked == 0 && document.codeform.B7xs.checked) { // ============ JUST 2XS
                var XSprice = B72XS.price;
            	code = "003";
            }
            
			if (document.codeform.B7mod.checked && document.codeform.B7xs.checked == 0) { // ============ JUST MOD
                if (voltDescrip == "120 VAC") {
                	var MODprice = B7MODAC.price;
                }
                if (voltDescrip == "24 VDC") {
                	var MODprice = B7MODDC.price;
                }
            	code = "100";
            }
            
			if (document.codeform.B7mod.checked && document.codeform.B7xs.checked) { // ============ BOTH
                var XSprice = B72XS.price;
                if (voltDescrip == "120 VAC") {
                	var MODprice = B7MODAC.price;
                }
                if (voltDescrip == "24 VDC") {
                	var MODprice = B7MODDC.price;
                }
            	code = "102";
            }



// ================================================= ACTUATORS ============================ 

	var sizeDescrip = "<b>Torque: </b>"+torque;
    var voltDescrip = "<b>Voltage: </b> "+voltDescrip;
    var isoDescrip = "<b>Direct Mount Valve Mounting Pattern: </b> "+ISO;
    var stemDescrip = "<b>Drive: </b> "+stem;
    var speedDescrip = "<b>Speed: </b> "+speed+" sec. (quarter-turn)";
    var dutyDescrip = "<b>Duty Cycle: </b> "+duty+"%";
    
    var step1summary = actDescrip + "<br>" + sizeDescrip + "<br>" + voltDescrip  + "<br>" + isoDescrip  + "<br>" + stemDescrip  + "<br>" + speedDescrip + "<br>" + dutyDescrip;
    document.getElementById('step1summary').innerHTML = step1summary;


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

var F = "F";

if (size == "800" || size == "810") { 
	var F = ""; 
}

var actModelNoPrice = "BEEM"+size+F+"_"+speed+"_C7_"+volt+"_001";
var actModelNoDisplay = "BEEM"+size+F+"-"+speed+"-C7-"+volt+"-"+code;

var actName = actModelNoDisplay;

	var actDescrip = "<b>Actuator: </b>"+actDescrip+" ("+act+")";    

	if (sum2a != "") {
    	var step2summary = sum2a;
    }
    
	if (sum2b != "") {
    	if (step2summary != "") {
        	var step2summary = step2summary + "<br>" + sum2b;
        } else {
        	var step2summary =  sum2b;
        }
    }
            
     if (step2summary == "") {
     	var step2summary = "none selected";
     }	   
        
    document.getElementById('step2summary').innerHTML = step2summary + "<br>" + accessoryDescrip;
	
    var wiring ="Two 1/2&quot; NPT conduit entries to an internal wiring terminal";
    



// =========================================================== SET MODEL CODE =============================================
    
	var mc=act+mod; 
    var mc = actModelNoDisplay;

    var CADmc="B"+size+"MVX";

	//alert(mc);

	document.getElementById('PN').innerHTML =actModelNoDisplay;
    document.codeform.id.value=mc;
	document.getElementById('MClinks').innerHTML =mc;
    document.getElementById('mainIMG').src = "/B-electric-actuators/models/B7.jpg";
    document.codeform.imgsrc.value="/B-electric-actuators/models/B7.jpg";
    

    //----------- SET Dimansion & Wiring Diagram PAGE =-=-------------------------
    	document.codeform.wireDiagPage.value = "/literature/B_datasheet.pdf#page="+wireDiagramPage;
    	document.codeform.dimPage.value = "/literature/B_datasheet.pdf#page="+dimPage;
    
    
    


    
    document.codeform.CADmc.value=CADmc;
// =========================================================== SET PRICING =============================================



var qty = document.codeform.qty.value;
 

	// ACTUATOR =--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

    var actPrice = eval(actModelNoPrice+".price");
    var actWeight = eval(actModelNoPrice+".weight");
    	var priceSum = priceSum + "<br>Actuator Price: "+actPrice+" ("+actModelNoDisplay+")";

    	var weightSum = weightSum + "<br>Actuator: "+actWeight+" ("+actModelNoDisplay+")";



		
 
 	// LABOR =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    
   		var mountLab = 0;        

   var priceSum = priceSum + "<br>Mounting Labor: "+(mountLab * LABUNIT.price)+" ("+mountLab+" LABUNITS)";
 
  
   //alert(priceSum);
    
    var mountPrice= mountPrice + mountLab * LABUNIT.price;
    var fullPrice = Math.ceil(actPrice + MODprice + XSprice);
    var fullWeight = Math.ceil(actWeight);
    
   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 + accessoryPrice) * qty;
   
   document.getElementById('totalPrice').innerHTML = totalPrice;


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

	if (step2summary == "none selected") {
		var fullSummary = step1summary 
	} else {
	    var fullSummary = step1summary + "<br>" + step2summary; // + "<br>"; + step3summary;
	}
    
	if (alertNote != "") {
    	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";
    }
    
}

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


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

function addToCart() {
document.codeform.submit();
//	alert ('not quite yet... need to add in pricing');
}


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";
}


function resetVoltDivs() {
	document.getElementById('volt1').className="selection";
	document.getElementById('volt2').className="selection";
}

function resetB7access() {
	document.getElementById('B7posType1').className="accessSection";
	document.getElementById('B7posType2').className="accessSection";
}


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";
        }
    }
}