// JScript File
NS4 = (document.layers);
IE4 = (document.all);
ver4 = (NS4 || IE4);   
isMac = (navigator.appVersion.indexOf("Mac") != -1);

function disableEnter(){
	if ((event.which ? event.which : event.keyCode) == 13){ 
		event.returnValue = false; 
		event.cancel = true;
	}
}