function $(id){	
	return document.getElementById(id)
}

function iniMenu(tabObj,selNum){
	
	var collection = $(tabObj).getElementsByTagName("a");
	var selObj = collection[selNum];
	selObj.className = 'here';
	$(tabObj+"_Content"+selNum).style.display = "block";

	for(var i = 0; i < collection.length; i++){

		collection[i].num= i;

		collection[i].onmouseover = function(){
			if(this != selObj){
				selObj.className = '';
				this.className = 'here';
				$( tabObj+"_Content" + this.num).style.display="block";
				$( tabObj+"_Content" + selObj.num).style.display="none";
				selObj = this;
			}
		}
	}
	

}