var oPopup = window.createPopup();

function Iris_Popup(w,h,t) 
{
    var oPopBody = oPopup.document.body;
    oPopBody.style.backgroundColor = "lightyellow";
    oPopBody.style.border = "solid black 1px";
    oPopBody.innerHTML    = t;
    oPopup.show(100, 100, w, h, document.body);
}

function Iris_WindowOpen(w,h,u)
{
   var arg = "height="+h+",width="+w+",status=yes,toolbar=no,menubar=no,location=no";
   window.open(u,null,arg);
}

function Iris_TrapKD(btn, event){

    if (document.all)
    {
        if (event.keyCode == 13){
            event.returnValue=false;
            event.cancel = true;
            btn.click();
        }
    }

    else if (document.getElementById)
    {
        if (event.which == 13)
        {
            event.returnValue=false;
            event.cancel = true;
            btn.click();
        }
    }

    else if(document.layers)
    {
        if(event.which == 13)
        {
            event.returnValue=false;
            event.cancel = true;
            btn.click();
        }
    }
}