function selectModel(pn) {

	var size = pn.substr(0, 1);
	var conn = pn.substr(4, 1);
	var hand = pn.substr(5);
   
// alert('size: '+size+' conn: '+conn+' hand: '+hand );
	
//----------------------------------- SELECT SIZE NPT ----------------------------	
	if (conn == "N") {
      if (size == "A") {
          document.codeform.size[0].checked=true;
      }
      if (size == "B") {
          document.codeform.size[1].checked=true;
      }
      if (size == "C") {
          document.codeform.size[2].checked=true;
      }
      if (size == "D") {
          document.codeform.size[3].checked=true;
      }
      if (size == "E") {
          document.codeform.size[4].checked=true;
      }
      if (size == "F") {
          document.codeform.size[5].checked=true;
      }
      if (size == "G") {
          document.codeform.size[6].checked=true;
      }
      if (size == "H") {
          document.codeform.size[7].checked=true;
      }
      if (size == "I") {
          document.codeform.size[8].checked=true;
      }
      if (size == "J") {
          document.codeform.size[9].checked=true;
      }
      if (size == "K") {
          document.codeform.size[10].checked=true;
      }
    }

//----------------------------------- SELECT SIZE Solder ----------------------------	
	if (conn == "S") {
      if (size == "C") {
          document.codeform.size[11].checked=true;
      }
      if (size == "D") {
          document.codeform.size[12].checked=true;
      }
      if (size == "E") {
          document.codeform.size[13].checked=true;
      }
      if (size == "F") {
          document.codeform.size[14].checked=true;
      }
      if (size == "G") {
          document.codeform.size[15].checked=true;
      }
      if (size == "H") {
          document.codeform.size[16].checked=true;
      }
      if (size == "I") {
          document.codeform.size[17].checked=true;
      }
      if (size == "J") {
          document.codeform.size[18].checked=true;
      }
      if (size == "K") {
          document.codeform.size[19].checked=true;
      }
    }

//----------------------------------- SELECT SIZE NPT Male ----------------------------	
	if (conn == "M") {
      if (size == "A") {
          document.codeform.size[20].checked=true;
      }
      if (size == "B") {
          document.codeform.size[21].checked=true;
      }
      if (size == "C") {
          document.codeform.size[22].checked=true;
      }
      if (size == "D") {
          document.codeform.size[23].checked=true;
      }
      if (size == "E") {
          document.codeform.size[24].checked=true;
      }
    }

//----------------------------------- SELECT Handle ----------------------------	
	if (hand == "M") {
		document.codeform.handle[0].checked=true;
	}
	if (hand == "ML") {
		document.codeform.handle[1].checked=true;
	}

	if (hand == "ME") {
		document.codeform.handle[2].checked=true;
	}

	if (hand == "MT") {
		document.codeform.handle[3].checked=true;
	}

	if (hand == "MO") {
		document.codeform.handle[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(); 
    resetHandDivs();
    
    

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


// ================================================ SIZE ====================================================
    if (document.codeform.size[0].checked) { 
    	document.getElementById('size1').className="selectionChecked"; 
    	var siz = "A"; var con = "N"; var sizeDescrip = "1/4 inch NPT (female x female)"; }

    if (document.codeform.size[1].checked) { 
    	document.getElementById('size2').className="selectionChecked"; 
    	var siz = "B"; var con = "N"; var sizeDescrip = "3/8 inch NPT (female x female)"; }

    if (document.codeform.size[2].checked) { 
    	document.getElementById('size3').className="selectionChecked"; 
    	var siz = "C"; var con = "N"; var sizeDescrip = "1/2 inch NPT (female x female)"; }

    if (document.codeform.size[3].checked) { 
    	document.getElementById('size4').className="selectionChecked"; 
    	var siz = "D"; var con = "N"; var sizeDescrip = "3/4 inch NPT (female x female)"; }

    if (document.codeform.size[4].checked) { 
    	document.getElementById('size5').className="selectionChecked"; 
    	var siz = "E"; var con = "N"; var sizeDescrip = "1 inch NPT (female x female)"; }

    if (document.codeform.size[5].checked) { 
    	document.getElementById('size6').className="selectionChecked"; 
    	var siz = "F"; var con = "N"; var sizeDescrip = "1 1/4 inch NPT (female x female)"; }

    if (document.codeform.size[6].checked) { 
    	document.getElementById('size7').className="selectionChecked"; 
    	var siz = "G"; var con = "N"; var sizeDescrip = "1 1/2 inch NPT (female x female)"; }

    if (document.codeform.size[7].checked) { 
    	document.getElementById('size8').className="selectionChecked"; 
    	var siz = "H"; var con = "N"; var sizeDescrip = "2 inch NPT (female x female)"; }

    if (document.codeform.size[8].checked) { 
    	document.getElementById('size9').className="selectionChecked"; 
    	var siz = "I"; var con = "N"; var sizeDescrip = "2 1/2 inch NPT (female x female)"; }

    if (document.codeform.size[9].checked) { 
    	document.getElementById('size10').className="selectionChecked"; 
    	var siz = "J"; var con = "N"; var sizeDescrip = "3 inch NPT (female x female)"; }

    if (document.codeform.size[10].checked) { 
    	document.getElementById('size11').className="selectionChecked"; 
    	var siz = "K"; var con = "N"; var sizeDescrip = "4 inch NPT (female x female)"; }




    if (document.codeform.size[11].checked) { 
    	document.getElementById('size12').className="selectionChecked"; 
    	var siz = "C"; var con = "S"; var sizeDescrip = "1/2 inch Solder"; }

    if (document.codeform.size[12].checked) { 
    	document.getElementById('size13').className="selectionChecked"; 
    	var siz = "D"; var con = "S"; var sizeDescrip = "3/4 inch Solder"; }

    if (document.codeform.size[13].checked) { 
    	document.getElementById('size14').className="selectionChecked"; 
    	var siz = "E"; var con = "S"; var sizeDescrip = "1 inch Solder"; }

    if (document.codeform.size[14].checked) { 
    	document.getElementById('size15').className="selectionChecked"; 
    	var siz = "F"; var con = "S"; var sizeDescrip = "1 1/4 inch Solder"; }

    if (document.codeform.size[15].checked) { 
    	document.getElementById('size16').className="selectionChecked"; 
    	var siz = "G"; var con = "S"; var sizeDescrip = "1 1/2 inch Solder"; }

    if (document.codeform.size[16].checked) { 
    	document.getElementById('size17').className="selectionChecked"; 
    	var siz = "H"; var con = "S"; var sizeDescrip = "2 inch Solder"; }

    if (document.codeform.size[17].checked) { 
    	document.getElementById('size18').className="selectionChecked"; 
    	var siz = "I"; var con = "S"; var sizeDescrip = "2 1/2 inch Solder"; }

    if (document.codeform.size[18].checked) { 
    	document.getElementById('size19').className="selectionChecked"; 
    	var siz = "J"; var con = "S"; var sizeDescrip = "3 inch Solder"; }

    if (document.codeform.size[19].checked) { 
    	document.getElementById('size20').className="selectionChecked"; 
    	var siz = "K"; var con = "S"; var sizeDescrip = "4 inch Solder"; }


    if (document.codeform.size[20].checked) { 
    	document.getElementById('size21').className="selectionChecked"; 
    	var siz = "A"; var con = "M"; var sizeDescrip = "1/4 inch NPT (male x female)"; }

    if (document.codeform.size[21].checked) { 
    	document.getElementById('size22').className="selectionChecked"; 
    	var siz = "B"; var con = "M"; var sizeDescrip = "3/8 inch NPT (male x female)"; }

    if (document.codeform.size[22].checked) { 
    	document.getElementById('size23').className="selectionChecked"; 
    	var siz = "C"; var con = "M"; var sizeDescrip = "1/2 inch NPT (male x female)"; }

    if (document.codeform.size[23].checked) { 
    	document.getElementById('size24').className="selectionChecked"; 
    	var siz = "D"; var con = "M"; var sizeDescrip = "3/4 inch NPT (male x female)"; }

    if (document.codeform.size[24].checked) { 
    	document.getElementById('size25').className="selectionChecked"; 
    	var siz = "E"; var con = "M"; var sizeDescrip = "1 inch NPT (male x female)"; }


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

	if (siz == "F" || siz == "G" || siz == "H" || siz == "I" || siz == "J" || siz == "K") {
    	disableTee();
    }

	if (siz == "I" || siz == "J" || siz == "K") {
    	disableOval();
    }

	if ((siz == "I" || siz == "J" || siz == "K") && con != "N") {
    	disableLock();
    }

	if ((siz == "K") && con != "N") {
    	disableExt();
    }


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

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

	var bodyMatDescrip = "<b>Valve Body: </b> Brass";
	var sizeDescrip = "<b>Size and Connection: </b>"+sizeDescrip;
    
    var step1summary = bodyMatDescrip + "<br>"+sizeDescrip;
    
    document.getElementById('step1summary').innerHTML = step1summary;


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


// ================================================ HANDLE TYPE ====================================================
    if (document.codeform.handle[0].checked) { document.getElementById('handle1').className="selectionChecked"; var act = "M"; var actDescrip = "Basic Lever"; }
    if (document.codeform.handle[1].checked) { document.getElementById('handle2').className="selectionChecked"; var act = "ML"; var actDescrip = "Locking Lever (lock NOT included)"; }
    if (document.codeform.handle[2].checked) { document.getElementById('handle3').className="selectionChecked"; var act = "ME"; var actDescrip = "Lever with Extension"; }
    if (document.codeform.handle[3].checked) { document.getElementById('handle4').className="selectionChecked"; var act = "MT"; var actDescrip = "Tee"; }
    if (document.codeform.handle[4].checked) { document.getElementById('handle5').className="selectionChecked"; var act = "MO"; var actDescrip = "Oval"; }


	var actDescrip = "<b>Handle: </b>"+actDescrip;    
    
    

    
    var step2summary = actDescrip;

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


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

// ==================== SET DIME PAGE =====================
if (con == "N") {
	document.codeform.dimPage.value ="2";
}
if (con == "M") {
	document.codeform.dimPage.value ="3";
}
if (con == "S") {
	document.codeform.dimPage.value ="4";
}

// =========================================================== SET MODEL CODE =============================================
    
	var mc=siz+"282"+con+act; 
	var valveBody= siz+"282"+con+act; 

    
    var pic = con+act;
    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 = "/282/models/"+pic+".jpg";
    document.codeform.imgsrc.value="/282/models/"+pic+".jpg";
    
    
// =========================================================== 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")+LABUNIT.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")+LABUNIT.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";
    }
    
}

// ========================================================== 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";
	document.getElementById('size4').className="selection";
	document.getElementById('size5').className="selection";
	document.getElementById('size6').className="selection";
	document.getElementById('size7').className="selection";
	document.getElementById('size8').className="selection";
	document.getElementById('size9').className="selection";
	document.getElementById('size10').className="selection";
	document.getElementById('size11').className="selection";
	document.getElementById('size12').className="selection";
	document.getElementById('size13').className="selection";
	document.getElementById('size14').className="selection";
	document.getElementById('size15').className="selection";
	document.getElementById('size16').className="selection";
	document.getElementById('size17').className="selection";
	document.getElementById('size18').className="selection";
	document.getElementById('size19').className="selection";
	document.getElementById('size20').className="selection";
	document.getElementById('size21').className="selection";
	document.getElementById('size22').className="selection";
	document.getElementById('size23').className="selection";
	document.getElementById('size24').className="selection";
	document.getElementById('size25').className="selection";
}

function resetHandDivs() {
	document.getElementById('handle1').className="selection";
	document.getElementById('handle2').className="selection";
	document.getElementById('handle3').className="selection";
	document.getElementById('handle4').className="selection";
	document.getElementById('handle5').className="selection";
}

function disableTee() {
	if (document.codeform.handle[3].checked) {
   		document.codeform.handle[0].checked = 1; 
    }
	document.getElementById('handle4').className="selectionDisabled";

}

function disableOval() {
	if (document.codeform.handle[4].checked) {
   		document.codeform.handle[0].checked = 1; 
    }
	document.getElementById('handle5').className="selectionDisabled";

}

function disableExt() {
	if (document.codeform.handle[2].checked) {
   		document.codeform.handle[0].checked = 1; 
    }
	document.getElementById('handle3').className="selectionDisabled";

}

function disableLock() {
	if (document.codeform.handle[1].checked) {
   		document.codeform.handle[0].checked = 1; 
    }
	document.getElementById('handle2').className="selectionDisabled";

}




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";
        }
    }
}