// JavaScript Document
ie=document.all?1:0
n=document.layers?1:0



function getDocObj(elem,parent) {
      if (document.layers) {
            if (parent) {
                  return "document."+parent+".document."+elem;
            } else {
                  return "document."+elem;
            }
            
      } else if (document.all) {
            return "document.all."+ elem;
      } else if (document.getElementById) {
            return "document.getElementById('"+elem+"')";
      }
}

function ShowHide_Item(elem){
			var elemother="menu1";
			var a1=eval(getDocObj(elemother));
		    a1.style.display='none';
			var elemother="menu2";
			var a2=eval(getDocObj(elemother));
		    a2.style.display='none';
			var elemother="menu3";
			var a3=eval(getDocObj(elemother));
			a3.style.display='none';
			var elemother="menu4";
			var a4=eval(getDocObj(elemother));
			a4.style.display='none';
			
			var a=eval(getDocObj(elem));
			if (a.style.display=='none')  a.style.display='block';
			else  a.style.display='none';
			//document.write(a);
}