function showmenuid(menuid){
	var d=document.getElementById(menuid);
	getElementsByClass('menuclass','table')
	if(d.style.display=='none'){
		d.style.display='block';
	}else{
		d.style.display='none';
	}
} 
function getElementsByClass(classname,tagname) {
	for (i=0;i<document.getElementsByTagName(tagname).length; i++) {
		if (document.getElementsByTagName(tagname).item(i).className == classname){
			document.getElementsByTagName(tagname).item(i).style.display='none';
		}
	}
}