// function: show / hide menu
function showMenu(menuId) {
	document.getElementById(menuId).style.display="";
}

function hideMenu(menuId) {
	document.getElementById(menuId).style.display="none";
}

function popUp(url,x,y) {
	var newWin = window.open(url,"popUp","width=" + x + ",height=" + y + ",status=no,toolbar=no,menubar=no,location=no,scrollbars=yes");
	newWin.focus();
}


function fnTrapKD(btn, event)
{
    var btnID =  btn.id;
    if (document.all)
     { 
         if(event.keyCode == 13)
         { 
             event.cancelBubble = true;
             event.returnValue=false;
             event.cancel = true;
             document.getElementById(btnID).click();
             return false;
         } 
     } 
     else if(document.getElementById)
     { 
         if(event.which == 13)
         { 
             event.cancelBubble = true;
             event.returnValue=false;
             event.cancel = true;
             document.getElementById(btnID).click();
             return false;
         } 
     } 
     else if(document.layers)
     { 
         if(event.which == 13)
         { 
             event.cancelBubble = true;
             event.returnValue=false;
             event.cancel = true;
             document.getElementById(btnID).click();
             return false;
         } 
     } 
 }