var W=608;
var H=325;

var url="/al_eng/mapset.php";

var counter_map=0;

function openIT(pos)
{

	if (counter_map > 0)
	{
		popmap.close();
	}

	popmap=window.open( url+'?pos='+pos,'','resizable=no,scrollbars=no,menubar=no,width='+W+',height='+H+','); 
	
	counter_map++;
}