var iPath = '/images/products/';
var iExt = 'jpg';
var suffix = new Array('bg');

function preLoad()
{
  if(document.images)
  {
    var argLen = arguments.length;
    for(var i = 0; i < argLen; i++)
    {
      var arg = arguments[i];
      var sufLen = suffix.length;
      for(j = 0; j < sufLen; j++)
      {
        var suf = suffix[j]
        self[arg + '_' + suf] = new Image();
		self[arg + '_' + suf].src = iPath + arg + '_' + suf + '.' + iExt;
      }
    }
  }
}

/*var myimages = new Array();
function preLoad(){
for (x=0; x<preLoad.arguments.length; x++){
myimages[x] = new Image();
myimages[x].src = iPath + preLoad.arguments[x]+'_bg.jpg';
}
}*/

function swapper(idName,putIn){
swapImage = new Image;
	swapImage.src = "/images/products/"+idName+"_bg.jpg";
	document.getElementById(putIn).src  = swapImage.src;
	}
	
	function rollover(swapOn){
	newroll = "/images/nav-"+swapOn+"-on.gif";
	document.getElementById(swapOn).src  = newroll;
	document.getElementById('prodDrop').style.visibility="hidden";
	
	}

	function rollout(swapOn){
	newroll = "/images/nav-"+swapOn+"-off.gif";
	document.getElementById(swapOn).src  = newroll;
	
	}
	
	function rolloverDrop(swapOn,showDiv){
	newroll = "/images/nav-"+swapOn+"-on.gif";
	document.getElementById(swapOn).src  = newroll;
	document.getElementById(showDiv).style.visibility  = "visible";
	
	}
	
	function closeup(divName){
	document.getElementById(divName).style.visibility="hidden";
	}
	
	function keepopen(divName){
	newroll = "/images/nav-products-on.gif";
	document.getElementById('products').src  = newroll;	
	document.getElementById(divName).style.visibility="visible";	
	}

	function changeCell(cellName){
	document.getElementById(cellName).className = 'blueCell';
	}
	function changeCellBack(cellName){
	document.getElementById(cellName).className = 'greyCell';
	}