function abre(Arquivo, Local, WWidth,WHeight){
  window.open(Arquivo, Local,"alwaysRaised=yes,toolbar=0,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=" + WWidth + ",height=" + WHeight)
}
/**** function sub-menu ****/
startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
  				}
  				node.onmouseout=function() {
  				this.className=this.className.replace
					(" over", "");
   				}
   			}
  		}
	}
}
window.onload=startList;