function ShowHide(elId) {

    el = $(elId);
	if(!el)
		return;
	if (el.className == "visible") {	
	    el.className = "";
	} else {
	    el.className = "visible"
	}
}

function ShowPath(elId,aryItems) {
          
        for (i=0;i<aryItems.length;i++) {
            
            elm = $(aryItems[i].toString());
            if (elm) {
                elm.className = "visible";
            }
       }
}