var DEBUG = false;
//////////////////////// HMC FUNCTIONS ////////////////////////////

function updateProducts(){

	var myProd = new Array();

	for(var i=0;i<products.length;i++){
		myProd.push(i);
	}

	//check only those products which satisfy Built-in/FS criteria
	myProd = getColourProds(myProd);

	if(DEBUG)alert("getColourProds returned products "+myProd.length);


	//check only those products which satisfy Built-in/FS & Colours criteria
	myProd = getPriceProds(myProd);
	if(DEBUG)alert("getPriceProds returned products "+myProd.length);

	//check only those products which satisfy Built-in/FS, Colours, Price & USP criteria
	myProd = getWidthProds(myProd);
	if(DEBUG)alert("getWidthProds returned products "+myProd.length);

	//check only those products which satisfy all above criteria
	myProd = getTypeProds(myProd);

	var prodStr = " model(s)";
	if(myProd != null && myProd != "" && myProd.length > 0){
		prodStr = myProd.length+prodStr;
	}else{
		prodStr = 0+prodStr;
	}
	dd.elements.matchedProds.write(prodStr);
	var img= "";

	if (myProd != null && myProd != "" && myProd.length > 1) {
		img="<input type=\"image\" src=\"../images/products/ckgovn_ct_compare_but_txt.gif\"  border=\"0\">";
	} else if (myProd != null && myProd != "" && myProd.length == 1) {
		img="<input type=\"image\" src=\"../images/products/ckgovn_ct_view_but_txt.gif\" border=\"0\">";
	}
	dd.elements.sub_but.write(img);

	if(DEBUG)alert("Total products qualifying all criteria are "+myProd.length);
}

function getColourProds(myProd){

	var found = false;
	for(var j=0;j<document.hmc.colours.length;j++){
		if(document.hmc.colours[j].checked){
			found = true;
			break;
		}
	}

	if(!found){
		if(DEBUG)alert("No selection made for colours");
		return myProd;
	}

	var count = 0;
	var isFound = false;
	var qualifyingProducts = new Array();
	for(var i=0;i<myProd.length;i++){
		isFound = false;
        for(var j=0;j<document.hmc.colours.length;j++){
			if(document.hmc.colours[j].checked){
             for(var k=0;k<products[myProd[i]].colours.length;k++){
              if(document.hmc.colours[j].value == products[myProd[i]].colours[k]){
						isFound = true;
						break;
					}
				}
			}
		}
		if(isFound){
			qualifyingProducts.push(myProd[i]);
			count++;

		}
	}
	if(DEBUG)alert("total products found matching colours "+count);
	return qualifyingProducts;
}

function getTypeProds(myProd){

	if(document.hmc.type.value == ""){
		if(DEBUG)alert("No selection made for Type");
		return myProd;
	}

	var found = false;
	var qualifyingProducts = new Array();
	var count = 0;
	var sid = 40195;
	prod:for(var i=0;i<myProd.length;i++){
		for(var j=0;j<products[myProd[i]].classifications.length;j++){
			for(var k=0;k<products[myProd[i]].classifications[j].specs.length;k++){
				var s = products[myProd[i]].classifications[j].specs[k];
				if(s.specid == sid && (document.hmc.type.options[document.hmc.type.options.selectedIndex].value).toUpperCase() == (s.value).toUpperCase()){
					qualifyingProducts.push(myProd[i]);
					count++;
					continue prod;
				}
			}
		}

	}

	if(DEBUG)alert("total products found matching Type "+count);
	return qualifyingProducts;
}

function getPriceProds(myProd){

	var count = 0;
	var qualifyingProducts = new Array();
	for(var i=0;i<myProd.length;i++){
		if(parseInt(products[myProd[i]].price) >= parseInt(document.hmc.minPrice.value) && parseInt(document.hmc.maxPrice.value) >= parseInt(products[myProd[i]].price)){
			qualifyingProducts.push(myProd[i]);
			count++;
		}
	}
	if(DEBUG)alert("total products found matching price "+count);
	return qualifyingProducts;
}


function getWidthProds(myProd){
	if(document.hmc.width.value == "" || document.hmc.width.value == "-1"){
		if(DEBUG)alert("No selection made for width OR width is not searching criteria");
		return myProd;
	}

	var cid = 40025;
	var sid = 40400;
	var count = 0;
	var qualifyingProducts = new Array();
	prod:for(var i=0;i<myProd.length;i++){
		for(var j=0;j<products[myProd[i]].classifications.length;j++){
			if(products[myProd[i]].classifications[j].classid = cid){
				for(var k=0;k<products[myProd[i]].classifications[j].specs.length;k++){
					var s = products[myProd[i]].classifications[j].specs[k];
					var val = document.hmc.width.value;
					val = val.replace(/=\s+(\d+)/,"$1");
					if(s.specid == sid && /=\s+\d+/.test(document.hmc.width.value) && s.value == val){
						qualifyingProducts.push(myProd[i]);
						count++;
						continue prod;
					}
				}
			}
		}
	}
	if(DEBUG)alert("total products found matching width "+count);
	return qualifyingProducts;
}


function fillKeys(){
	
	var keys = new Array();
	var pattern = /,$/;

	
	keys.push("Stainless Steel");
	//keys.push("Titanium");
	//keys.push("Neutral Grey");
	keys.push("White");
	for(var i=0;i<document.hmc.colours.length;i++){
		if(document.hmc.colours[i].checked){
			document.hmc.KEY_colours.value = document.hmc.KEY_colours.value+keys[i]+",";
		}
	}
	document.hmc.KEY_colours.value = (document.hmc.KEY_colours.value).replace(pattern,"");
	if(DEBUG)alert("document.hmc.KEY_colours.value "+document.hmc.KEY_colours.value);



	keys = new Array();
	keys.push("Slide-out");
	keys.push("Canopy");
	keys.push("Built-in");
	
	document.hmc.KEY_type.value = document.hmc.KEY_type.value+keys[document.hmc.type.options.selectedIndex];
	if(DEBUG)alert("document.hmc.KEY_typeusp.value "+document.hmc.KEY_typeusp.value);

	keys = new Array();
	keys.push("Not Important");
	keys.push("90 cm");
	//keys.push("80 cm");
	keys.push("60 cm");
	document.hmc.KEY_width.value=document.hmc.KEY_width.value+keys[document.hmc.width.options.selectedIndex];
	if(DEBUG)alert("document.hmc.KEY_width.value "+document.hmc.KEY_width.value);
}


////////////////////////////// END HMC FUNCTIONS ///////////////////////

function my_DragFunc(){
    if (dd.obj.name.indexOf('thumb') >= 0){
		setMoveLimits();
		calculate();
    }
}

function my_DropFunc(){
    if (dd.obj.name.indexOf('thumb') >= 0){
		updateProducts();
    }
}

function setMoveLimits(){
	dd.elements.thumbr.maxoffl = tWidth - getDisplacement(dd.elements.thumbl);
	dd.elements.thumbl.maxoffr = tWidth - getDisplacement(dd.elements.thumbr);
}

function getDisplacement(d_o){
	return Math.abs(d_o.defx-d_o.x);
}

function calculate(){

	var multiplier = (maxVal - minVal)/tWidth;
	var LfractionMove = dd.elements.thumbl.x-dd.elements.thumbl.defx;
	var RfractionMove = dd.elements.thumbr.defx-dd.elements.thumbr.x;
	finalMinVal = (LfractionMove*multiplier);
	finalMaxVal = (RfractionMove*multiplier);

	var divStart = '<table width="60" border="0" cellspacing="0" cellpadding="0"><tr><td background="../images/products/pdt_but.gif" align="center" class="vblk8b" height="17">';
	currency = '$'
	var divEnd = ' </td></tr></table>';

	dd.elements.thumbl.write(divStart+currency+Math.ceil(finalMinVal+minVal)+divEnd);
	dd.elements.thumbr.write(divStart+currency+Math.ceil(maxVal-finalMaxVal)+divEnd);

	document.hmc.minPrice.value = Math.ceil(finalMinVal+minVal);
	document.hmc.maxPrice.value = Math.ceil(maxVal-finalMaxVal);
}

//initialization setting 
SET_DHTML("thumbl"+MAXOFFLEFT+0+MAXOFFRIGHT+tWidth+HORIZONTAL,"thumbr"+MAXOFFLEFT+tWidth+MAXOFFRIGHT+0+HORIZONTAL,"track"+NO_DRAG);

dd.elements.thumbl.setZ(dd.elements.track.z+1);
dd.elements.thumbr.setZ(dd.elements.track.z+1);
dd.elements.track.addChild("thumbl"); 
dd.elements.track.addChild("thumbr"); 


var minX = dd.elements.thumbl.x+2;
var maxX = minX+tWidth+60;

//set initial positions of markers..
dd.elements.thumbl.defx = minX;
dd.elements.thumbr.defx = maxX;

// move to initial position
if(minValDiff == 0 && maxValDiff == 0){
	dd.elements.thumbl.moveTo(minX, tY);
	dd.elements.thumbr.moveTo(maxX, tY);
}else{
	var pos = ((tWidth*minValDiff)/(maxVal - minVal))+minX;
	dd.elements.thumbl.moveTo(pos, tY);
	pos = maxX-((tWidth*maxValDiff)/(maxVal - minVal));
	dd.elements.thumbr.moveTo(pos, tY);
}

// For Updating No. Of Products...
ADD_DHTML("matchedProds");
ADD_DHTML("sub_but");

calculate();
updateProducts();