function onMouseOver(name) {
	
	if(name == 'menu_show') {
		
		document.getElementById('menu_show').style.display = 'block';
	}
	

}

function onMouseOut(name,length) {


		document.getElementById(name).style.display="none";
	
	
}

function cleartimeout(){
	window.clearTimeout(timer);

}