var active_sub_menu=false;
function showSubMenu(id,referrer,items) {
	for(i=1;i<=items;i++) {
		document.getElementById("submenu_box_"+i).style.display="none";
	}
	var obj=document.getElementById("submenu_box_"+id);
	var x=document.getElementById("main_menu_entry_"+id).offsetLeft;
	var y=document.getElementById("main_menu_entry_"+id).offsetTop;
	
	if(navigator.appName=="Microsoft Internet Explorer") {
			x+=document.getElementById("head").offsetLeft;
			x+=document.getElementById("head_wrapper").offsetLeft;
			x+=document.getElementById("wrapper").offsetLeft;
			
			y+=document.getElementById("head").offsetTop;
			y+=document.getElementById("head_wrapper").offsetTop;
			y+=document.getElementById("wrapper").offsetTop;
			y+=75;
	}
	
	obj.style.display="";
	obj.style.left=(x-9)+"px";
	obj.style.top=(y+25)+"px";
}
function hideSubMenu(id,referrer) {
	document.getElementById("submenu_box_"+id).style.display="none";
}
function hideSubMenuAll(items) {
	for(i=1;i<=items;i++) {
		document.getElementById("submenu_box_"+i).style.display="none";
	}
}
function check_fields_home()
	{
		var form = document.subscription;
		
		if (form.name.value == '') {
			alert('Name is required');
			return false;	
		}
		if (form.company.value == '') {
			alert('Company is required');
			return false;	
		}
		if (form.email.value == '') {
			alert('Email is required');
			return false;	
		}

		form.submit();
	}