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_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_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 preload(){
	MM_preloadImages('/images/button_home_on.jpg','/images/button_home_on.gif','/images/button_about_on.gif','/images/button_whatwedo_on.gif','/images/button_productsearch_on.gif','/images/button_casestudies_on.gif','/images/button_locations_on.gif','/images/button_subscribe_on.gif','/images/button_contact_on.gif')
}

/* Product Search */
function filterProducts(){
	var catList = new Array();
	var cats = document.forms[0].category_key;
	for(var i=0;i<cats.length;i++){
		if(cats[i].checked == true){
			catList[catList.length] = cats[i].value;
		}
	}
	
	DWREngine._errorHandler =  errorHandler;
	DWREngine._execute (_cfscriptLocation, null, "FetchProducts", catList.toString(), dispProducts);
}
function dispProducts(result){

	$("ProductList").innerHTML = result;
	new Effect.Appear('ProductList');
	
}

function resetList(){
	var cats = document.forms[0].category_key;
	for(var i=0;i<cats.length;i++){
		cats[i].checked = false;
	}
	new Effect.Fade('ProductList');
	
}

function dispItem(key){
	DWREngine._errorHandler =  errorHandler;
	DWREngine._execute (_cfscriptLocation, null, "FetchItem", key, dispPopUp);
}

function dispPopUp(result){
	$("details").innerHTML = result;
	if($("details").style.display == "none"){
		new Effect.BlindDown('details',{scaleFromCenter:true});
	}
	initLightbox();
}
function closeIt(){
	new Effect.BlindUp('details',{scaleFromCenter:true});
}

function chkFrm(frm){
	var errorlist = "Oops! Your form is not completed correctly. The following fields are required:\n\n";
	var defaultErr = errorlist;
	if(frm.name.value == ''){
		errorlist = errorlist + "      * Please provide a contact name.\n";
	}
	if(frm.company.value == ''){
		errorlist = errorlist + "      * Please provide the name of your company.\n";
	}
	if(frm.address.value == ''){
		errorlist = errorlist + "      * Please provide a contact address.\n";
	}
	if(errorlist != defaultErr){
		alert(errorlist);
		return false;
	} else {
		return true;
	}
	
}
function chkSub(frm){
	var errorlist = "Oops! Your form is not completed correctly:\n\n";
	var defaultErr = errorlist;
	var regex = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;
	if(frm.Email.value == ''){
		errorlist = errorlist + "      * Please provide a valid Email address.\n";
	} else if (regex.test(frm.Email.value) == false){
		errorlist = errorlist + "      * The Email address you have provided is invalid.\n";
	}
	if(errorlist != defaultErr){
		alert(errorlist);
		return false;
	} else {
		return true;
	}
}
function chkContFrm(frm){
	var errorlist = "Oops! Your form is not completed correctly. The following fields are required:\n\n";
	var defaultErr = errorlist;
	var regex = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;
	if(frm.name.value == ''){
		errorlist = errorlist + "      * Please provide your name.\n";
	}
	if(frm.email.value == ''){
		errorlist = errorlist + "      * Please provide a valid Email address.\n";
	} else if (regex.test(frm.email.value) == false){
		errorlist = errorlist + "      * The Email address you have provided is invalid.\n";
	}
	if(frm.enquiry.value == ''){
		errorlist = errorlist + "      * Please tell us why you wish to contact us.\n";
	}
	if(errorlist != defaultErr){
		alert(errorlist);
		return false;
	} else {
		return true;
	}
}