var impressum_offen=false;

	function popup()
	{
		pop_window=open("","pop_window","toolbar=no,width=400,height=450,scrollbars=yes,location=no");
		pop_window.focus();
	
		impressum_offen=true;
     	}
	
	function ende()
	{
		if ((impressum_offen==true) && (!pop_window.closed))
		{
			
			pop_window.close();
		}
	
	}
	
	
	 function search()
{
search=open("contact_search.htm","search","toolbar=no,width=310,height=380,scrollbars=yes,location=no");
search.focus();
}