<!--
var	arrOff, arrOn, arrNames;		//arrays for images and image names
var bOkay;

bOkay= document.images;				//images OK?
arrOff = new Array();
arrOn = new Array();
arrNames = new Array();

function preload(){					//Called in the Onload event of the body tag


	var iSlashIndex, iLastIndex;		//integers and indices
	var strName, strImagePath;			//image name and path
	var iCount, i, j;					
	
	if (bOkay)
	{
		iCount = document.images.length;
		j = 0;
		
		for (i=0; i<iCount; i++)
		{
			strName = document.images[i].name;
			
			if (strName != "")			//Add any exceptions here. NB need names of multiple rollovers (cannot handle these) 
			{							// 			eg (strName != "" && strName != image1 && ...)
										//Also - .gif rollovers only! (could easily be altered)
				arrOff[j] = new Image();
				arrOn[j] = new Image();
				arrNames[j] = new String();
				var path = document.images[i].src;
				var onStr = path.substring(path.length-7, path.length);
				if (onStr != "_on.gif")
				{
					arrNames[j] = strName;							//the image name is stored (name=filename)
					strImagePath = document.images[i].src;			
					arrOff[j].src = strImagePath;					//the off image is the image itself
					strImagePath = strImagePath.substring(0, strImagePath.length-4);
				
				//determines if image is on button then do not store rollover image else store
				if (strImagePath.search("main_nav") > 0 || strImagePath.search("sec_nav") > 0 )	{
					arrOn[j].src = strImagePath + "_on.gif";		//the on image
					}
				j++;
				}
				
			}
		}	
	}
}

function imageOn(strName) {
	if (document.images[strName].src.search("_on.gif") != -1) return //if button is on button
	var i;
  if (bOkay) {
	  for (i=0; i<arrNames.length; i++) {
			if (strName == arrNames[i]) {
				document.images[strName].src = arrOn[i].src;
	    }
	  }
  }
	
}

function imageOff(strName) {
	var i;
  if (bOkay) {
	  for (i=0; i<arrNames.length; i++) {
	    if (strName == arrNames[i]) {
			  document.images[strName].src = arrOff[i].src;					
	    }
	  }
  }
	
}



function on(strName) 
{
var i;
if (bOkay)
{
	for (i=0; i<arrNames.length; i++)
	{
		if (strName == arrNames[i])
		{
			document.images[strName].src = arrOn[i].src;
		}
	}
}
}

function off(strName)
{
var i;
if (bOkay)
{
	for (i=0; i<arrNames.length; i++)
	{
		if (strName == arrNames[i])
		{
			document.images[strName].src = arrOff[i].src;
		}
	}
}
}

//-->