function Image_Rollover(imgtag, rollover)
{
	imgtag.src=rollover;
}






function getElementsByClass(searchClass, node, tag) 
{
	var classElements = new Array();
	if(node == null) {node = document;}
	if(tag == null) {tag = '*';}
        
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for(i=0, j=0; i<elsLen; i++) 
	{
		if(pattern.test(els[i].className)) 
		{
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}