var anzbig = null;
    var anzsma = null;
    var anzfront = null;

		var WinLayoutBig = "width=450,height=484,scrollbars=0,toolbar=0,resizable=0";
		var WinLayoutsma = "top=450,left=450,width=447,height=150,scrollbars=0,toolbar=0,resizable=0";
		var WinLayoutfront = "width=400,height=270,scrollbars=0,toolbar=0,resizable=0";
		
		function dispbig(page) {
		     if (window.focus) {
		       anzbig = window.open(page,'down',WinLayoutBig);
		       anzbig.focus();
		     }
		}
		
		function dispsma(page) {
		
		     if (window.focus) {
		       anzsma = window.open(page,'small',WinLayoutsma);
		       anzsma.focus();
		     }
		}

		function ende() {
		   if ((anzbig) && (!anzbig.closed))
		     anzbig.close();
		   if ((anzsma) && (!anzsma.closed))
		     anzsma.close();
		 }


		function dispfront(page) {
		     if (window.focus) {
		       anzfront = window.open(page,'down',WinLayoutfront);
		       anzfront.focus();
		     }
		}