<!--
function add_to_favs()
{

  if (document.all)
  {
  
    url = "http://www.simplyshutters.co.uk";
	title = "Simply Shutters";
  
    window.external.AddFavorite(url,title)
	
  }

}

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];}
}

var setInnerHTML = function( id, str )
{
      if(!document.getElementById) return; // Not Supported
      if(document.getElementById){
            document.getElementById(id).innerHTML = str;
      }
}      

function updateTCUnits()
{
	//update max width dependent upon whether units are mm or inches (T&C)
	if(!document.getElementById) return; // Not Supported
	var fld = document.getElementById('TCUnits');
	ot = fld.value;
	utext = 'Max width: 800 mm';
	if(ot == 1501) utext = 'Max width: 31.49 inches';
	setInnerHTML( 'mwtext', '&nbsp;&nbsp;' + utext );
}

function updatePic(OptionID, OptionValueID)
{

  //alert("OptionID=" + OptionID + "\nOptionValueID=" + OptionValueID);

  //  updates product pic to match selected options
	if(document.images)
	{
	
	  // create a new empty array to store the new file name
		newFileName = Array();
	    
		// split string into array at "/" characters
		splitSrc = document.ProductImage.src.split("/");
		
		// get last array element i.e the filename
		fileName = splitSrc[splitSrc.length - 1];
		
		// remove file extension
		fileName = fileName.split(".");
		fileExt = fileName[1];
		splitProd = fileName[0].split("$");
		prodID = splitProd[0];
		fileName = splitProd[1];
		
		// split filename into OptionID _ OptionValueID pairs
		splitFileName = fileName.split("_");
		for(x=0; x<splitFileName.length; x++)
		{			
			// build new file name array
			
			// split the OptionID _ OptionValueID pair
			optionPair = splitFileName[x].split("@");
			
			// does the OptionID passed to this function match?
			if(optionPair[0] == OptionID)
			{
			
			  // change this bit of the file name
				newFileName[x] = OptionID + "@" + OptionValueID;
			
			}
			
			  else
				
			{
			
			  // leave this part of the file name untouched
				newFileName[x] = optionPair[0] + "@" + optionPair[1];
			
			}
		
		}
		
		// build new file name from array
		targetSrc = prodID + "$" + newFileName.join("_");
		
		// swap the image
		document.ProductImage.src = "/shop/s/images/content/uploads/" + targetSrc + "." + fileExt;
		document.calcPrice.productImage.value = targetSrc + "." + fileExt;
		document.addBasket.productImage.value = targetSrc + "." + fileExt;
		
		
	}
	
	//alert(targetSrc);

}


function hlCalc() {
//MDG 2009-10-12 - basketbutton doesn't always exist!
	try
	{
		document.calcPrice.calcbutton.disabled = false;
		document.addBasket.basketbutton.disabled = true;
	}
	catch(err) 
	{}
}

function hideCalc() {
	document.calcPrice.calcbutton.disabled = true;;
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

-->
