function next_openwindow(u,p) {
	  window.open(u,'popup',p);
	}

	function next_displayMenuItem(elementNumber) {
		var ChildMenuState;
		
		ChildMenuState = document.getElementById('menu_' + elementNumber).style.display;
	
		if ( ChildMenuState!='block' ) {
		
			next_hideAllMenuItems();
			document.getElementById('menu_' + elementNumber).style.display = 'block';
		}
		else{
			next_hideAllMenuItems();
		}
	
		return;
	}
	
	function next_displayMenuItem2(elementNumber) {
		
		document.getElementById('menu_' + elementNumber).style.display = 'block';	
		return;
	}
	
	function next_hideAllMenuItems() {
	var i;
	
		for (i = 1; i < 6; i++) {
			document.getElementById('menu_' + i).style.display = 'none';	
		}
	
		return;
	}