function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

MM_preloadImages('/images/home_btn_over.gif','/images/about_btn_over.gif','/images/products_btn_over.gif','/images/certifications_btn_over.gif','/images/community_btn_over.gif','/images/credit_btn_over.gif','/images/find-a-contractor_btn_over.gif');

make_password = function (selector){
	var chump = $(selector).update('<input type="password" class="input_field" name="password" value="" id="new_password"/>');
	$('new_password').activate();
}

popup_products = function (url){
	var new_win = window.open(url, 'popup_products','toolbar=no,menubar=no,scrollbars=yes,width=615,height=500;');
}

function updateCerts(chooser,dbname,ndname){
	var new_drop_down = chooser.form.elements[ndname];
	var choice = chooser.options[chooser.selectedIndex].value;
	new_drop_down.options.length = 0;
	if (choice != "") {			
		var db = eval(dbname + "['" + choice + "']");
		new_drop_down.options[0] = new Option("Choose One", "", true, false);
		for (var i = 0; i < db.length; i++) {
			new_drop_down.options[i + 1] = new Option(db[i].text, db[i].value);
		}
	}
}

function showForm(id, manufacturer, dbname){
	if(id != ""){
		$('cert-form-container').hide();
		var cert = eval(dbname + "['" + manufacturer + "']");
		for(var i = 0; i < cert.length; i++){
			if(cert[i].value == id && cert[i].action == 'Dynamic'){
				$('cert-form-container').show();
			}
		}
	}
}


function sendGoogleVirtualPage(manufacturer,cert_id,googlePageTracker){
	var certificateName = '';
	for(x in certs){
		if(x == manufacturer){
			var manufacturerObj = certs[x];
			for (var i = 0; i < manufacturerObj.length; i++) {
				if(manufacturerObj[i].value == cert_id){
					certificateName = manufacturerObj[i].text;
					break;
				}
			}
		}
	}
	googlePageTracker._trackPageview('/certgenerator/' + manufacturer  + '/' + certificateName);
}

function getPageSize() {
	        
     var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;

	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	

	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}

	return [pageWidth,pageHeight];
}
function center(element){
    try{
        element = $(element);
    }catch(e){
        return;
    }

    var my_width  = 0;
    var my_height = 0;

    if ( typeof( window.innerWidth ) == 'number' ){
        my_width  = window.innerWidth;
        my_height = window.innerHeight;
    }else if ( document.documentElement && 
             ( document.documentElement.clientWidth ||
               document.documentElement.clientHeight ) ){
        my_width  = document.documentElement.clientWidth;
        my_height = document.documentElement.clientHeight;
    }
    else if ( document.body && 
            ( document.body.clientWidth || document.body.clientHeight ) ){
        my_width  = document.body.clientWidth;
        my_height = document.body.clientHeight;
    }

    var scrollY = 0;

    if ( document.documentElement && document.documentElement.scrollTop ){
        scrollY = document.documentElement.scrollTop;
    }else if ( document.body && document.body.scrollTop ){
        scrollY = document.body.scrollTop;
    }else if ( window.pageYOffset ){
        scrollY = window.pageYOffset;
    }else if ( window.scrollY ){
        scrollY = window.scrollY;
    }

    var elementDimensions = Element.getDimensions(element);

    var setX = ( my_width  - elementDimensions.width  ) / 2;
    var setY = ( my_height - elementDimensions.height ) / 2 + scrollY;

    setX = ( setX < 0 ) ? 0 : setX;
    setY = ( setY < 0 ) ? 0 : setY;

    element.style.left = setX + "px";
    element.style.top  = setY + "px";

    element.style.display  = 'block';
}

function enlarge(x){
	var theDiv=document.getElementById('light');
	while(theDiv.hasChildNodes()){theDiv.removeChild(theDiv.lastChild);}
	var myspan=document.createElement("h4");
	myspan.innerHTML=x.title;
	theDiv.appendChild(myspan);
	var myimg=document.createElement("img");
	myimg.src=x.src.replace('.gif','_lrg.gif');
	myimg.alt=x.alt;
	myimg.title=x.title;
	theDiv.appendChild(myimg);
	var mya=document.createElement("a");
	mya.href='javascript:closesample();'
	mya.innerHTML='Close';
	theDiv.appendChild(mya);


	document.getElementById('fade').style.display='block';
	document.getElementById('fade').onclick=function(){closesample()};
	
	var arrayPageSize = getPageSize();
        document.getElementById('fade').style.width=arrayPageSize[0] + 'px'
        document.getElementById('fade').style.height=arrayPageSize[1] + 'px'
	center('light')
        }

function closesample(x){
	document.getElementById('fade').style.display='none';
	document.getElementById('light').style.display='none';
}