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


function GetHeight(ID,NAME)
{
if (document.height) 
{
document.getElementById(ID).style.height = parent.frames[NAME].document.height +20 +"px" ;
}
else
{
document.getElementById(ID).style.height = parent.frames[NAME].document.body.scrollHeight +20 +"px";
}
}

function Rollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_a."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_a.", "_b."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_b.", "_a."));
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", Rollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", Rollover);
}