// JavaScript Document
function getElementsByClassName(classname) {
    if (document.getElementsByTagName) {
         var els = document.getElementsByTagName("*");
         var c = new RegExp('/b^|' + classname + '|$/b');
         final = new Array();
         var n=0;
         for (var i=0; i < els.length; i++) {
              if (els[i].className) {
                   if(c.test(els[i].className)) {
                   final[n] = els[i];
                   n++;
                   }
              }
         }
		 //alert("class found");
         return final;
    } else{
		// alert("class not found");
		return false;}
	//alert("end function getElementsByClassName");
}

function startList(){
	//browser detection
	var browserName=navigator.appName; 
	var browserVer=parseInt(navigator.appVersion); 
	if (browserName=="Microsoft Internet Explorer" && browserVer <= 7) {
	 
		var navelements = getElementsByClassName('ulnav');
		for (j=0; j < navelements.length; j++) {
			if (navelements[j].nodeName=="SPAN") {
				
	
					navelements[j].onmouseover=function() {
	
						this.className+=" over";
	
					}
	
					 navelements[j].onmouseout=function() {
	
						this.className=this.className.replace(" over", "");
	
					}
			}
				
		}
	} //end browser detection

}
onload = function(){
	startList();
}