function popup(url, x, y, sc) {
		var scrollbars
		if (sc) scrollbars = ',scrollbars';
		args = 'width=' + x + ",height=" + y + ',resizable' + scrollbars;
		ok = window.open(url, '', args)
		if (ok) return false;
		else return true;
		}
		
function fnTrapKD(){

		if (document.all){
			if (window.event.keyCode == 13){
				window.event.returnValue=false;
				window.event.cancel = true;
			}
		}
		else if (document.getElementById){
			if (window.event.which == 13){
				window.event.returnValue=false;
				window.event.cancel = true;
			}
		}
		else if(document.layers){
			if(window.event.which == 13){
				window.event.returnValue=false;
				window.event.cancel = true;
			}
		}
	}