function select_item1() {	
	if ( selectitem1.style.visibility == "hidden") {
		 selectitem1.style.visibility = "visible"

	}
	else {
		selectitem1.style.visibility = "hidden"
	}
}

function alertGo(msg,url)
{
	alert(msg);
	if( url!=0 ){
		location.href=url;
	}
}