function selectModel(pn) {

	var con = pn.substr(6, 1);
	var sched = pn.substr(8, 2);

	var size = pn.substr(11, 3);
	var disp = pn.substr(15, 2);

//alert("con ="+con);
//alert("sched ="+sched);
//alert("disp ="+disp);
//alert("size ="+size);

if (con == "P") {
	selectConType('pipe');
      if (size == "050") {
          document.codeform.pipeSize[0].checked = true;
      }
      if (size == "075") {
          document.codeform.pipeSize[1].checked = true;
      }
      if (size == "100") {
          document.codeform.pipeSize[2].checked = true;
      }
      if (size == "150") {
          document.codeform.pipeSize[3].checked = true;
      }
      if (size == "200") {
          document.codeform.pipeSize[4].checked = true;
      }
      if (size == "300") {
          document.codeform.pipeSize[5].checked = true;
      }
      if (size == "400") {
          document.codeform.pipeSize[6].checked = true;
      }
}

if (con == "S") {
	selectConType('saddle');
      if (size == "150") {
          document.codeform.saddleSize[0].checked = true;
      }
      if (size == "200") {
          document.codeform.saddleSize[1].checked = true;
      }
      if (size == "300") {
          document.codeform.saddleSize[2].checked = true;
      }
      if (size == "400") {
          document.codeform.saddleSize[3].checked = true;
      }
      if (size == "600") {
          document.codeform.saddleSize[4].checked = true;
      }
      if (size == "800") {
          document.codeform.saddleSize[5].checked = true;
      }
}

      if (sched == "40") {
          document.codeform.sched[0].checked = true;
      }
      if (sched == "80") {
          document.codeform.sched[1].checked = true;
      }

      if (disp == "PT") {
          document.codeform.disp[0].checked = true;
      }
      if (disp == "RD") {
          document.codeform.disp[1].checked = true;
			var cord = pn.substr(17);
            if (cord == "5FT") {
            	document.codeform.wire[1].checked = true;
            }
            if (cord == "10FT") {
            	document.codeform.wire[0].checked = true;
            }
            if (cord == "15FT") {
            	document.codeform.wire[2].checked = true;
            }
      }


}



function changeCode() {

// set vars that don't change and initialize others	

var bodyMatDescrip = "<b>Body Material:</b> Stainless Steel";
var sizeDescrip = "";
var flowRange = "";
var accessDescrip = "";
var pulseModel = "";

var siz = "";
var pulse = "";
var ghaPrice = 0;
var pic = "";

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 accessPrice = 0;

var assemblyWeight = 0;
var accessWeight = 0;
var accessSummary = "";

var step1summary = "";
var step2summary = "";
var step3summary = "";
    
    // ====================== reset classes of all selection divs and table cells to UN-selected state
    resetSizeDivs(); 

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

// ================================================ SIZE & CONNECTION ====================================================

if (document.codeform.connection[0].checked) {
	var con = "P";
	    if (document.codeform.pipeSize[0].checked) { 
        	document.getElementById('pipeSize1').className="chartRowSelected"; 
            var siz = "050"; var sizeDescrip = "1/2 inch pipe mounted"; var flowRange = "0.6 to 15 gpm";
        }
        
	    if (document.codeform.pipeSize[1].checked) { 
        	document.getElementById('pipeSize2').className="chartRowSelected"; 
            var siz = "075"; var sizeDescrip = "3/4 inch pipe mounted"; var flowRange = "1.5 to 30 gpm";
        }
            
	    if (document.codeform.pipeSize[2].checked) { 
        	document.getElementById('pipeSize3').className="chartRowSelected"; 
            var siz = "100"; var sizeDescrip = "1 inch pipe mounted"; var flowRange = "5 to 55 gpm";
      }
        
	    if (document.codeform.pipeSize[3].checked) { 
        	document.getElementById('pipeSize4').className="chartRowSelected"; 
            var siz = "150"; var sizeDescrip = "1 1/2 inch pipe mounted"; var flowRange = "10 to 125 gpm";
        }

	    if (document.codeform.pipeSize[4].checked) { 
        	document.getElementById('pipeSize5').className="chartRowSelected"; 
            var siz = "200"; var sizeDescrip = "2 inch pipe mounted"; var flowRange = "15 to 200 gpm";
        }

	    if (document.codeform.pipeSize[5].checked) { 
        	document.getElementById('pipeSize6').className="chartRowSelected"; 
            var siz = "300"; var sizeDescrip = "3 inch pipe mounted"; var flowRange = "40 to 450 gpm";
        }

	    if (document.codeform.pipeSize[6].checked) { 
        	document.getElementById('pipeSize7').className="chartRowSelected"; 
            var siz = "400"; var sizeDescrip = "4 inch pipe mounted"; var flowRange = "60 to 800 gpm";
        }
 }

if (document.codeform.connection[1].checked) {
	var con = "S";
	    if (document.codeform.saddleSize[0].checked) { 
        	document.getElementById('saddleSize1').className="chartRowSelected"; 
            var siz = "150"; var sizeDescrip = "1 1/2 inch saddle mount (insertion mount)"; var flowRange = "10 to 125 gpm";
        }
        
	    if (document.codeform.saddleSize[1].checked) { 
        	document.getElementById('saddleSize2').className="chartRowSelected"; 
            var siz = "200"; var sizeDescrip = "2 inch saddle mount (insertion mount)"; var flowRange = "15 to 200 gpm";
        }
            
	    if (document.codeform.saddleSize[2].checked) { 
        	document.getElementById('saddleSize3').className="chartRowSelected"; 
            var siz = "300"; var sizeDescrip = "3 inch saddle mount (insertion mount)"; var flowRange = "40 to 450 gpm";
      }
        
	    if (document.codeform.saddleSize[3].checked) { 
        	document.getElementById('saddleSize4').className="chartRowSelected"; 
            var siz = "400"; var sizeDescrip = "4 inch saddle mount (insertion mount)"; var flowRange = "60 to 800 gpm";
        }

	    if (document.codeform.saddleSize[4].checked) { 
        	document.getElementById('saddleSize5').className="chartRowSelected"; 
            var siz = "600"; var sizeDescrip = "6 inch saddle mount (insertion mount)"; var flowRange = "120 to 1800 gpm";
        }

	    if (document.codeform.saddleSize[5].checked) { 
        	document.getElementById('saddleSize6').className="chartRowSelected"; 
            var siz = "800"; var sizeDescrip = "8 inch saddle mount (insertion mount)"; var flowRange = "250 to 3200 gpm";
        }

 }
 
 //============================== Exceptions for certain sizes =====================================
 
 if ((document.codeform.connection[0].checked) && (document.codeform.pipeSize[0].checked || document.codeform.pipeSize[1].checked || document.codeform.pipeSize[2].checked)) {
 	document.codeform.sched[1].checked = 1;

 	document.codeform.sched[0].disabled = 1;
	document.getElementById('sched1').className="selectionDisabled"; 
 }

 
 
         // =================== PIPE SCHEDULE ============================

	    if (document.codeform.sched[0].checked) { 
        	document.getElementById('sched1').className="selectionChecked"; 
            var sched = "40";
        }

	    if (document.codeform.sched[1].checked) { 
        	document.getElementById('sched2').className="selectionChecked"; 
            var sched = "80";
        }

		// ======================================================================            
        // =================== Display Type =====================================

	    if (document.codeform.disp[0].checked) { 
        	document.getElementById('disp1').className="selectionChecked"; 
            var dispPrice = "PT";
            var disp = "PT";
            var dispDescrip = "Local display";
            var dispPic = "";
        }

	    if (document.codeform.disp[1].checked) { 
        	document.getElementById('disp2').className="selectionChecked"; 
            var dispPrice = "RD";
            var dispPic = "-RD";
            
            if (document.codeform.wire[0].checked) {
            	var disp = "RD5FT";
                var dispDescrip = "Remote display with 5 ft. cord";
        		document.getElementById('wirecell1').className="selectionChecked"; 
            }
            if (document.codeform.wire[1].checked) {
            	var disp = "RD10FT";
                var dispDescrip = "Remote display with 10 ft. cord";
        		document.getElementById('wirecell2').className="selectionChecked"; 
            }
            if (document.codeform.wire[2].checked) {
            	var disp = "RD15FT";
                var dispDescrip = "Remote display with 15 ft. cord";
        		document.getElementById('wirecell3').className="selectionChecked"; 
            }
        }

// ======================================================================            

	var step1summary = "<b>Size &amp; Connection:</b> "+sizeDescrip+", Schedule "+sched;
    
 	document.getElementById('step1summary').innerHTML=	step1summary;

	var step1summary = step1summary + "<br><b>Pipe/Saddle &amp; Paddle Wheel Material:</b> PVC<br><b>Electronincs Housing Material:</b> ABS plastic<br><b>Accuracy:</b> +/- 1.5%<br><b>Function:</b> Total, resettable total, and flow rate<br><b>Units:</b> U.S. Gallons, Liters, Cubic ft.";



	var step2summary = "<b>Display Type:</b> "+dispDescrip;

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


// =========================================================== SET MODEL CODE =============================================
    
	var mc="WM_PT_"+con+"_"+sched+"_"+siz+"_"+disp; 
	var mcPrice="WM_PT_"+con+"_"+sched+"_"+siz+"_"+dispPrice; 
    var pic = "WM-PT-"+con+dispPic;
 
 	var fullMc = mc+pulse;
    
    var fullMc = fullMc.replace(/_/g, "-");

 
	document.getElementById('PN').innerHTML =fullMc;
    document.codeform.id.value=fullMc;

	document.getElementById('MClinks').innerHTML =fullMc;
    document.getElementById('mainIMG').src = "/WM-PT/models/"+pic+".jpg";
    document.codeform.imgsrc.value="/WM-PT/models/"+pic+".jpg";
    
// =========================================================== SET PRICING =============================================

var qty = document.codeform.qty.value;

	// METER =--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
    var basePrice = eval(mcPrice+".price");
    var baseWeight = eval(mcPrice+".weight");

	var priceSum = priceSum + "<br>Meter: "+basePrice+" ("+mc+")<br>";
	var weightSum = weightSum + "<br>Meter: "+baseWeight+" ("+mc+")<br>";

 // ACCESSORIES -=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

// ========================= PLUG ====================

var step3summary = "No accessories selected";
	if (document.codeform.plug.checked) {
            var plugDescrip = "replaces meter for performing meter cleaning, repair, or replacement";
			var step3summary = "<b>Plug: </b>" + plugDescrip;
            var accessPrice = WM_PT_PLUG.price;
            var accessWeight = WM_PT_PLUG.weight;
            
            var accessSummary = "<b>Plug: </b>"+ plugDescrip+" (WM-PT-PLUG)" ;

	    	document.codeform.plugprice.value=WM_PT_PLUG.price;
	    	document.codeform.plugweight.value=WM_PT_PLUG.weight;
	    	document.codeform.plugprodseries.value="WM-PT";
	        document.codeform.plugid.value="WM-PT-PLUG";
        }
        
 	document.getElementById('step3summary').innerHTML=	step3summary;

 	// LABOR =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    
	// -- NO LABOR -- //
       
   //alert(priceSum);
    
    var fullPrice = Math.ceil(basePrice) //+ Math.ceil(accessPrice);
    var fullWeight = Math.ceil(baseWeight) //+ Math.ceil(accessWeight);
    
   document.getElementById('price').innerHTML = fullPrice;
   document.codeform.price.value=fullPrice;
   
   document.getElementById('priceSummary').innerHTML = priceSum+"<br><b>TOTAL: </b> $"+fullPrice;
   document.getElementById('weightSummary').innerHTML = weightSum+"<br><b>TOTAL: </b>"+fullWeight+" lbs.";
   document.codeform.weight.value=fullWeight;
   
   var totalPrice = (fullPrice + accessPrice) * qty;
   
   document.getElementById('totalPrice').innerHTML = totalPrice;


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

    var fullSummary = step1summary; // + "<br>" + step2summary + "<br>" + step3summary;
    document.getElementById('fullSummary').innerHTML = fullSummary;

	document.codeform.info.value=fullSummary;


	if (accessPrice != 0) {
    	document.getElementById('accessPriceText').style.display="block";
    	document.getElementById('accessPrice').innerHTML=accessPrice;
        document.getElementById('accessSummary').innerHTML=accessSummary;        
    } else {
    	document.getElementById('accessPriceText').style.display="none";
    }
    
}

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


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

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

function selectConType(type) {
	document.getElementById('pipe').className="tab";
	document.getElementById('saddle').className="tab";

	document.getElementById(type).className="tabSelected";	
    
	document.getElementById('pipeSection').style.display="none";
	document.getElementById('saddleSection').style.display="none";

	document.getElementById(type+'Section').style.display="block";
    
    if (type == "pipe") {
    	document.codeform.connection[0].checked = 1;
    }
    if (type == "saddle") {
    	document.codeform.connection[1].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).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('pipeSize1').className="chartRow";
	document.getElementById('pipeSize2').className="chartRow";
	document.getElementById('pipeSize3').className="chartRow";
	document.getElementById('pipeSize4').className="chartRow";
	document.getElementById('pipeSize5').className="chartRow";
	document.getElementById('pipeSize6').className="chartRow";
	document.getElementById('pipeSize7').className="chartRow";

	document.getElementById('saddleSize1').className="chartRow";
	document.getElementById('saddleSize2').className="chartRow";
	document.getElementById('saddleSize3').className="chartRow";
	document.getElementById('saddleSize4').className="chartRow";
	document.getElementById('saddleSize5').className="chartRow";
	document.getElementById('saddleSize6').className="chartRow";

	document.getElementById('sched1').className="selection"; 
	document.getElementById('sched2').className="selection"; 

	document.getElementById('disp1').className="selection"; 
	document.getElementById('disp2').className="selection"; 

 	document.codeform.sched[0].disabled = 0;

	document.getElementById('wirecell1').className="selection"; 
	document.getElementById('wirecell2').className="selection"; 
	document.getElementById('wirecell3').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";
        }
    }
}