/**
Shows submenu in Menu
**/
function showSubmenu( obj , display ) {
	if ( obj ) {
		var ul = obj.getElementsByTagName('ul');
		if ( ul.length == 1 ) {
			ul = ul.item(0);
			ul.style.display = display;
		}				
	}			
}
/**
Checking if searching field has been populated 
**/
function isPopulated( obj ) {
	if ( obj && obj.value.length > 0 && obj.value!='search...' )  return true;
	else return false;
}