function loadBGmenuitem(field)  {
	field.style.backgroundImage="url(/img/menu_tab.png)";
	field.style.backgroundRepeat="no-repeat";
	field.style.backgroundPosition="left bottom";
	field.style.marginLeft="5px";
	field.style.height="28px";
	field.style.width="127px";
	field.style.display="block";
}

function unloadBGmenuitem(field) {
	field.style.backgroundImage = '';
	field.style.marginLeft="5px";	
	field.style.height="28px";
	field.style.width="127px";
	field.style.display="block";
} 

function searchSkiArea()
{
	if(document.getElementById('skiarea').value.length > 1)
	{
		return true;
	}
	else
	{
		alert('De zoekopdracht is te kort');
		return false;
	}
}