function rollOff(which)    {
		document.images[which].src = "i/" + which + "_off.gif";    }	
function rollOver(which)    {
		document.images[which].src = "i/" + which + "_over.gif";    } 
function rollOn(which)    {
		document.images[which].src = "i/" + which + "_on.gif";    }	   

		
function mapOpen(where) 
	{
    window.open ("where","height=450,width=320,top=50,left=50,screenX=0,screenY=0");
	}
	
function mapOpen(which,width,height) 
	{
	myWindow = window.open("","windowRef","width=" + width + ",height=" + height+",top=50,left=50,screenX=0,screenY=0");
    myWindow.location.href = which;
    if (!myWindow.opener) myWindow.opener = self; 
	}
	
function emailOpen(which,width,height) 
	{
	myEmailWindow = window.open(which,"windowRefEmail","width=" + width + ",height=" + height+",top=50,left=50,screenX=0,screenY=0");
    myEmailWindow.location.href = which;
    if (!myEmailWindow.opener) myEmailWindow.opener = self; 
	}