function highlightPage(){
    if(!document.getElementsByTagName) return false;
    if(!document.getElementById) return false;
    if(!document.getElementById('menu_list')) return false;
    var nav = document.getElementById('menu_list');
    var links = nav.getElementsByTagName('a');
    for (var i=0;i<links.length;i++){
        var linkurl =  links[i].getAttribute('href');
        var currenturl = document.location.href;
            if(currenturl.indexOf(linkurl)!=-1){
                links[i].className = ' on';
                return true;
            }
    }
}
function call(){
	highlightPage();
}
document.write('<script type="text/javascript" src="http://www.rockscrusher.com/script/chatlive.js"></script>');
document.write('<script language="javascript" src="http://www.portablecrushers.info/js/tablecloth.js"></script>');
if (document.all){
window.attachEvent('onload',call)
}
else{
window.addEventListener('load',call,false);
}