var TipWindow=null;

function destroy() 
{	if(TipWindow != null && ! TipWindow.closed)
	TipWindow.close();
}

function tdhover (td,hover) 
{	if (hover == 1) {td.style.backgroundColor = "#fff";}
	else {td.style.backgroundColor = "";}
}

function showmap(bild) 
{	destroy();
	var url=bild;
	var properties='width=650,height=500,left=5,top=5,directories=no,location=no,menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no';
	TipWindow=window.open(url,'acw',properties);
}
function showmapbig(bild) 
{	destroy();
	var url=bild;
	var properties='width=840,height=740,left=5,top=5,directories=no,location=no,menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no';
	TipWindow=window.open(url,'acw',properties);
}

function showtip() 
{	destroy();
	var url="design.htm";
	var properties='width=250,height=150,left=5,top=5,directories=no,location=no,menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no';
	TipWindow=window.open(url,'acw',properties);
}