function openWindow(file,w,h) {
			  window.open(file,"","width="+w+",height="+h+",left=55,top=50,toolbar=0,menubar=0,copyhistory=0,directories=0,status=0,resizable=1,scrollbars=1");
			  }

			function openWindowNR(file) {
			  window.open(file,"","width=748,height=600,left=55,top=50,toolbar=0,menubar=0,copyhistory=0,directories=0,status=0,resizable=1,scrollbars=1");
			  }
			function openWindowPP(file) {
			  window.open(file,"","width=626,height=600,left=25,top=20,toolbar=1,menubar=1,copyhistory=0,directories=0,status=0,resizable=1,scrollbars=1");
			  }
			function openWindowPPt(file) {
			  window.open(file,"","width=626,height=600,left=25,top=20,toolbar=1,menubar=1,copyhistory=0,directories=0,status=0,resizable=1,scrollbars=1");
			  }