function switchMenu(obj) {
var el = document.getElementById(obj);
var off = 0;


if ( el.style.display != "none" ) {
el.style.display = 'none';
	off = ((navigator.userAgent.indexOf("MSIE")>=0)) ? -5 : -25;

	document.getElementById('myfr').style.height=document.documentElement.clientHeight - off +"px";

}
else {
el.style.display = '';
	off = ((navigator.userAgent.indexOf("MSIE")>=0)) ? 90 : 75;
	document.getElementById('myfr').style.height=document.documentElement.clientHeight - off +"px";

}
}
function hide(){
document.getElementById("content").style.display='none';
document.getElementById("admin").style.display='none';
document.getElementById("service").style.display='none';
}