function selectModel(pn) {

	var postype = pn.substr(0, 2);
//alert(postype);
    
    if (postype == "P5") {
    	document.codeform.pos[0].checked = 1;
        
        var feedtype = pn.substr(3);
//alert(feedtype);
            if (feedtype == "F5") {
                document.codeform.feedback[1].checked = 1;
	        	document.codeform.feed[0].checked = 1;
                selectFeedType('one');
            }
            if (feedtype == "F5XP") {
                document.codeform.feedback[1].checked = 1;
	        	document.codeform.feed[1].checked = 1;
                selectFeedType('one');
            }
            if (feedtype == "F5IS") {
                document.codeform.feedback[1].checked = 1;
	        	document.codeform.feed[2].checked = 1;
                selectFeedType('one');
            }


            if (feedtype == "F5420") {
                document.codeform.feedback[2].checked = 1;
	        	document.codeform.feed[3].checked = 1;
                selectFeedType('two');
            }
            if (feedtype == "F5XP420") {
                document.codeform.feedback[2].checked = 1;
	        	document.codeform.feed[4].checked = 1;
                selectFeedType('two');
            }
            if (feedtype == "F5IS420") {
                document.codeform.feedback[2].checked = 1;
	        	document.codeform.feed[5].checked = 1;
                selectFeedType('two');
            }

    }

    if (postype == "E5") {
    	var postype= pn.substr(0, 4);
        
        if (pn == "E5") {
    		document.codeform.pos[1].checked = 1;
        }

        if (postype == "E5XP") {
    		document.codeform.pos[2].checked = 1;
        }
        if (postype == "E5IS") {
    		document.codeform.pos[3].checked = 1;
        }

        if (postype == "E5-F")
        	var feedtype = pn.substr(3);

//alert(feedtype);
            if (feedtype == "-F5") {
                document.codeform.feedback[1].checked = 1;
	        	document.codeform.feed[0].checked = 1;
            }
            if (feedtype == "-F5XP") {
                document.codeform.feedback[1].checked = 1;
	        	document.codeform.feed[1].checked = 1;
            }
            if (feedtype == "-F5IS") {
                document.codeform.feedback[1].checked = 1;
	        	document.codeform.feed[2].checked = 1;
            }


            if (feedtype == "-F5420") {
                document.codeform.feedback[2].checked = 1;
	        	document.codeform.feed[3].checked = 1;
            }
            if (feedtype == "-F5XP420") {
                document.codeform.feedback[2].checked = 1;
	        	document.codeform.feed[4].checked = 1;
            }
            if (feedtype == "-F5IS420") {
                document.codeform.feedback[2].checked = 1;
	        	document.codeform.feed[5].checked = 1;
            }


        }
        
        
        


changeCode();
}

function changeCode() {
// set vars that don't change and initialize others	
var pos = "";
var feed = "";

var posDescrip = "";
var feedDescrip = "none";

var accessDescrip = ""; // ----------- actuator accesories on assembly
var accessoryDescrip = "";	// ------- accesories that ship loose

var pospic = "";
var feedpic = "";

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 price = 0;
var feedPrice = 0;
var posPrice = 0;
var accPrice = 0;

var feedWeight = 0;
var posWeight = 0;

var baseWeight = 0;
var accessPrice = 0;
var accessoryPrice = 0;
var accPriceSum = "<hr>";

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

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

	// ================= reset summary boxes ==========================
       document.getElementById('priceSummary').innerHTML = "Error!";
       document.getElementById('weightSummary').innerHTML = "Error!";
    
    // ======================================================== Positioner TYPE ==================================================
		if (document.codeform.pos[0].checked) {
	        var pospic = "P5";
        	var pos = "P5";
            var posDescrip = "Pneumatic, using 3-15 psi control signal";
            document.getElementById('pos_1').className = "selectionChecked";
        }

		if (document.codeform.pos[1].checked) {
	        var pospic = "E5";
        	var pos = "E5";
            var posDescrip = "Electro-Pneumatic using 4-20 mA control signal; NEMA 4/4X weatherproof";
            document.getElementById('pos_2').className = "selectionChecked";
            
            document.getElementById('feed_2').className = "selectionDisabled";
            document.getElementById('feed_3').className = "selectionDisabled";
            
            if (document.codeform.feed[1].checked || document.codeform.feed[2].checked) {
            	document.codeform.feed[0].checked = 1;
            }

            document.getElementById('feed_5').className = "selectionDisabled";
            document.getElementById('feed_6').className = "selectionDisabled";
            
            if (document.codeform.feed[4].checked || document.codeform.feed[5].checked) {
            	document.codeform.feed[3].checked = 1;
            }

        }


		if (document.codeform.pos[2].checked) {
	        var pospic = "E5";
        	var pos = "E5XP";
            var posDescrip = "Electro-Pneumatic using 4-20 mA control signal; NEMA 7 explosion proof";
            document.getElementById('pos_3').className = "selectionChecked";

            document.getElementById('feed_1').className = "selectionDisabled";
            document.getElementById('feed_3').className = "selectionDisabled";
            
            if (document.codeform.feed[0].checked || document.codeform.feed[2].checked) {
            	document.codeform.feed[1].checked = 1;
            }

            document.getElementById('feed_4').className = "selectionDisabled";
            document.getElementById('feed_6').className = "selectionDisabled";
            
            if (document.codeform.feed[3].checked || document.codeform.feed[5].checked) {
            	document.codeform.feed[4].checked = 1;
            }
        }

		if (document.codeform.pos[3].checked) {
	        var pospic = "E5";
        	var pos = "E5IS";
            var posDescrip = "Electro-Pneumatic using 4-20 mA control signal; Intrisically safe";
            document.getElementById('pos_4').className = "selectionChecked";
            
            document.getElementById('feed_1').className = "selectionDisabled";
            document.getElementById('feed_2').className = "selectionDisabled";
            
            if (document.codeform.feed[0].checked || document.codeform.feed[1].checked) {
            	document.codeform.feed[2].checked = 1;
            }

            document.getElementById('feed_4').className = "selectionDisabled";
            document.getElementById('feed_5').className = "selectionDisabled";
            
            if (document.codeform.feed[3].checked || document.codeform.feed[4].checked) {
            	document.codeform.feed[5].checked = 1;
            }
        }

            var priceSum = "<b>Positioner:</b> $ "+eval(pos+".price")+" ("+pos+")";
            var weightSum = "<b>Positioner:</b> "+eval(pos+".weight")+" ("+pos+")";


// =================== Step 1 Summary =================
	var posDescrip = "<b>Positioner Type: </b>"+posDescrip;
    var step1summary = posDescrip;
    document.getElementById('step1summary').innerHTML = step1summary;    



    // ======================================================== Feedback TYPE ==================================================

if (document.codeform.feedback[0].checked == 0) {

	var feedpic = "F5";


		if (document.codeform.feed[0].checked) {
        	var feed = "F5";
            var feedDescrip = "2 SPDT mechanical switches; NEMA 4 weatherproof";
            document.getElementById('feed_1').className = "selectionChecked";
        }

		if (document.codeform.feed[1].checked) {
        	var feed = "F5EX";
            var feedDescrip = "2 SPDT mechanical switches; NEMA 7 explosion proof";
            document.getElementById('feed_2').className = "selectionChecked";
        }

		if (document.codeform.feed[2].checked) {
        	var feed = "F5IS";
            var feedDescrip = "2 SPDT mechanical switches; intrinsically safe";
            document.getElementById('feed_3').className = "selectionChecked";
        }

		if (document.codeform.feed[3].checked) {
        	var feed = "F5420";
            var feedDescrip = "4-20 mA output signal and 2 SPDT mechanical switches; NEMA 4 weatherproof";
            document.getElementById('feed_4').className = "selectionChecked";
        }

		if (document.codeform.feed[4].checked) {
        	var feed = "F5EX420";
            var feedDescrip = "4-20 mA output signal and 2 SPDT mechanical switches; NEMA 7 explosion proof";
            document.getElementById('feed_5').className = "selectionChecked";
        }

		if (document.codeform.feed[5].checked) {
        	var feed = "F5IS420";
            var feedDescrip = "4-20 mA output signal and 2 SPDT mechanical switches; intrinsically safe";
            document.getElementById('feed_6').className = "selectionChecked";
        }
        
       var priceSum = priceSum + "<br><b>Feedback:</b> $ "+eval(feed+".price")+" ("+feed+")";
       var weightSum = weightSum + "<br><b>Feedback:</b> "+eval(feed+".weight")+" ("+feed+")";

}



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

    var feedDescrip = "<b>Feedback Unit: </b> "+feedDescrip;
    
	var step2summary = feedDescrip;

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

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

// ======================================================== Accessories ==================================================

	if (document.codeform.fitCHECK.checked) {
		if (document.codeform.fit[0].checked) {
			document.codeform.fitinfo.value = eval('FIT_NPTFITKITPOS["siz_descrip"]');
			document.codeform.fitid.value = 'NPTFITKITPOS';
			document.codeform.fitprodseries.value = 'for Part No. '+mc;
			document.codeform.fitprodname.value = 'NPT_STRAIGHT_FITTING_KIT_FOR_POSITIONER';
			document.codeform.fitprice.value = eval('FIT_NPTFITKITPOS["price"]');
			document.codeform.fitweight.value = eval('FIT_NPTFITKITPOS["weight"]');
            
			accPrice = accPrice + eval('FIT_NPTFITKITPOS["price"]');
            accPriceSum = accPriceSum+"<b>Fittings:</b>"+accPrice;
            accessoryDescrip = "<b>Fittings:</b> (2x) straight 1/2 in. x 1/4 tube push fittings and (1x) bug vent";
		}
		if (document.codeform.fit[1].checked) {
			document.codeform.fitinfo.value = eval('FIT_NPTFITKITPOS90["siz_descrip"]');
			document.codeform.fitid.value = 'FIT_NPTFITKITPOS90';
			document.codeform.fitprodseries.value = 'for Part No. '+mc;
			document.codeform.fitprodname.value = 'NPT_90_FITTING_KIT_FOR_POSITIONER';
			document.codeform.fitprice.value = eval('FIT_NPTFITKITPOS90["price"]');
			document.codeform.fitweight.value = eval('FIT_NPTFITKITPOS90["weight"]');

			accPrice = accPrice + eval('FIT_NPTFITKITPOS90["price"]');
            accPriceSum = accPriceSum+"<b>Fittings:</b>"+accPrice;
            accessoryDescrip = "<b>Fittings:</b> (2x) 90 degree 1/2 in. x 1/4 tube push fittings and (1x) bug vent";
		}
	}

		if (document.codeform.mountCHECK.checked) {
			document.codeform.mountinfo.value = eval('POS_EUMBHV803020["siz_descrip"]');
			document.codeform.mountid.value = 'EUMBHV803020';
			document.codeform.mountprodseries.value = 'for Part No. '+mc;
			document.codeform.mountprodname.value = 'MOUNTING_KIT_FOR_POSITIONER';
			document.codeform.mountprice.value = eval('POS_EUMBHV803020["price"]');
			document.codeform.mountweight.value = eval('POS_EUMBHV803020["weight"]');

			accPrice = accPrice + eval('POS_EUMBHV803020["price"]');
            accPriceSum = accPriceSum+"<br><b>Mounting Bracket:</b>"+eval('POS_EUMBHV803020["price"]');
            accessoryDescrip = accessoryDescrip + "<br><b>Mounting Bracket:</b> NAMUR size 1/2/3 stainless steel mounting bracket";
		}


		if (document.codeform.regCHECK.checked) {
			document.codeform.reginfo.value = eval('REG["siz_descrip"]');
			document.codeform.regid.value = 'AS34204179';
			document.codeform.regprodseries.value = 'for Part No. '+mc;
			document.codeform.regprodname.value = 'REGULATOR_FOR_POSITIONER';
			document.codeform.regprice.value = eval('REG["price"]');
			document.codeform.regweight.value = eval('REG["weight"]');

			accPrice = accPrice + eval('REG["price"]');
             accPriceSum = accPriceSum+"<br><b>Regulator:</b>"+eval('REG["price"]');
           accessoryDescrip = accessoryDescrip + "<br><b>Regulator:</b> 1/4&quot; NPT Air filter/regulator with Gauge";
		}

		if (document.codeform.gaugeCHECK.checked) {
			document.codeform.gaugeinfo.value = eval('gauge["siz_descrip"]');
			document.codeform.gaugeid.value = 'P5_GAUGEKIT';
			document.codeform.gaugeprodseries.value = 'for Part No. '+mc;
			document.codeform.gaugeprodname.value = 'GAUGE_KIT_FOR_POSITIONER';
			document.codeform.gaugeprice.value = eval('gauge["price"]');
			document.codeform.gaugeweight.value = eval('gauge["weight"]');

			accPrice = accPrice + eval('gauge["price"]');
              accPriceSum = accPriceSum+"<br><b>Gauges:</b>"+eval('gauge["price"]');
           accessoryDescrip = accessoryDescrip + "<br><b>Gauges:</b> (3x) 1/8&quot; NPT gauges";
		}
        
        
	if (accessoryDescrip != "") {
		document.getElementById('accessPriceText').style.display="";
        document.getElementById('accessSummary').innerHTML = accessoryDescrip;
	document.getElementById('accessPrice').innerHTML=accPrice;
	}


// =========================================================== SET MODEL CODE =============================================
	var pic = pospic + feedpic;
    
	var mc= pos; 
    if (feed != "") {
		var mc= pos +"-"+ feed; 
    }

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


var qty = document.codeform.qty.value;
 
  // -=-=-=-=-=-=-=- Positioner -=-=-=-=-=-=-=-=-=-=-
  
  var posPrice = eval(pos+".price");
  var posWeight = eval(pos+".weight");


  // -=-=-=-=-=-=-=- Feedback Unit -=-=-=-=-=-=-=-=-=-=-

if (feed != "") {  
  var feedPrice = eval(feed+".price");
  var feedWeight = eval(feed+".weight");
}
  
 	// LABOR =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
        
    var fullPrice = Math.ceil(posPrice + feedPrice);
    var fullWeight = Math.ceil(posWeight + feedWeight);
    
   document.getElementById('price').innerHTML = fullPrice;
   document.codeform.price.value=fullPrice;
   document.codeform.weight.value=fullWeight;

   if (accPriceSum != "<hr>") {
   	var priceSum = priceSum + accPriceSum;
   }
   
   document.getElementById('priceSummary').innerHTML = priceSum+"<br><b>TOTAL: </b> $ "+fullPrice;
   if (accPrice != 0) {
   		document.getElementById('priceSummary').innerHTML = priceSum+"<br><b>TOTAL: </b> $ "+fullPrice +" (+ "+accPrice+" accessories) = $"+(fullPrice+accPrice);
   }
   document.getElementById('weightSummary').innerHTML = weightSum+"<br><b>TOTAL: </b>"+fullWeight+" lbs.";
   
   var totalPrice = (fullPrice + accPrice) * qty;
  
   document.getElementById('totalPrice').innerHTML = totalPrice;

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

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

	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 selectFeedType(type) {
	document.getElementById('no').className="tab";
	document.getElementById('one').className="tab";
	document.getElementById('two').className="tab";

	document.getElementById(type).className="tabSelected";	
    
	document.getElementById('noSection').style.display="none";
	document.getElementById('oneSection').style.display="none";
	document.getElementById('twoSection').style.display="none";

	document.getElementById(type+'Section').style.display="block";
    
    if (type == "two") {
	    if (document.codeform.feed[0].checked) {
	    	document.codeform.feed[3].checked = 1;
	    }
	    if (document.codeform.feed[1].checked) {
	    	document.codeform.feed[4].checked = 1;
	    }
	    if (document.codeform.feed[2].checked) {
	    	document.codeform.feed[5].checked = 1;
	    }
    }
    
    if (type == "one") {
	    if (document.codeform.feed[3].checked) {
	    	document.codeform.feed[0].checked = 1;
	    }
	    if (document.codeform.feed[4].checked) {
	    	document.codeform.feed[1].checked = 1;
	    }
	    if (document.codeform.feed[5].checked) {
	    	document.codeform.feed[2].checked = 1;
	    }
    }

}


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+"CHECK").checked = 1;
    } else {
    	document.getElementById(item+"BOX").style.display = "none";
        document.getElementById(item+"HEAD").className = "accessHead";
        document.getElementById(item+"CHECK").checked = 0;
    }
}


function resetPosDivs() {
	document.getElementById('pos_1').className="selection";
	document.getElementById('pos_2').className="selection";
	document.getElementById('pos_3').className="selection";
	document.getElementById('pos_4').className="selection";

	document.getElementById('feed_1').className="selection";
	document.getElementById('feed_2').className="selection";
	document.getElementById('feed_3').className="selection";
	document.getElementById('feed_4').className="selection";
	document.getElementById('feed_5').className="selection";
	document.getElementById('feed_6').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";
        }
    }
}