var newwin
   							function openWind(which) {
   	                  	if (!newwin || newwin.closed) {
      	               		xStr = "left=10,top=10,width=752,height=548,scrollbars=no,toolbar=0,resizable=1"
         	            		newwin = window.open(which,"newwin",xStr)	
            	         	} else {
               	      		newwin.location = which
                  	   		newwin.focus();
                     		}
   	                  }