// JScript 文件

var Nav4 = document.layers;   
var IE4 = document.all;   
    
function enterkey(e)   
{   
    //alert("In EnterKey function");      
    if (Nav4)   
    {   
        keyPressed = String.fromCharCode(e.which);   
    }
    else if (IE4)   
    {   
        //alert("In IE4");   
        keyPressed = String.fromCharCode(window.event.keyCode);   
    }
    if (keyPressed == "\r" || keyPressed == "\n")   
    {   
        //alert("In keypress");   
        return (false);   
    }     
}   
if (window.document.captureEvents != null)   
    window.document.captureEvents(Event.KEYPRESS);   
window.document.onkeypress = enterkey;