function showmenu(elmnt)
{
    document.getElementById(elmnt).style.visibility="visible"
}

function hidemenu(elmnt)
{
    document.getElementById(elmnt).style.visibility="hidden"
}

function zoom(link)	 	//function to open window with enlarged image
{
    mywindow=window.open(link,"mywindow","location=1,status=1,scrollbars=1,width=400,height=400");
    mywindow.moveTo(60,20);
}
function validate(elmnt)
{
    var s=this.getElementsByName('zip');
    if(s[0].value>99999)
    {
        alert("Invalid ZIP. Please Try Again.");
    }
    else
        action="login.php";
}