var settimeout1="";
function showdiv1(type,menuid,imageid){
	if(type==0){
		document.getElementById(menuid).style.display="none";
		document.getElementById(imageid).src="images/zoom_in.gif";
		//settimeout1=setTimeout("clearing("+menuid+");", 100); 
		return true;
	}else{
		document.getElementById(menuid).style.display="block";
		document.getElementById(imageid).src="images/zoom_out.gif";

		return true;
	}

}

function clearing(menuid) {
	menuid.style.display='none';
	clearTimeout(settimeout1);
}