function SwitchNavagate()
{
    box = document.navagate_form.currency;
    destination = box.options[box.selectedIndex].value;
    if (destination) location.href = destination;
}
function echeck(str) {
    var at="@"
    var dot="."
    var lat=str.indexOf(at)
    var lstr=str.length
    var ldot=str.indexOf(dot)
    if (str.indexOf(at)==-1) {
        alert("Invalid E-mail ID")
        return false
    }

    if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr) {
        alert("Invalid E-mail ID")
        return false
    }

    if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr) {
        alert("Invalid E-mail ID")
        return false
    }

    if (str.indexOf(at,(lat+1))!=-1) {
        alert("Invalid E-mail ID")
        return false
    }

    if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) {
        alert("Invalid E-mail ID")
        return false
    }

    if (str.indexOf(dot,(lat+2))==-1) {
        alert("Invalid E-mail ID")
        return false
    }

    if (str.indexOf(" ")!=-1) {
        alert("Invalid E-mail ID")
        return false
    }

    return true                    
}

function ValidateForm(){
    var emailID=document.buyitnow.os0
                
    if ((emailID.value==null)||(emailID.value=="")) {
        alert("Please Enter your Email ID")
        emailID.focus()
        return false
    }
    if (echeck(emailID.value)==false) {
        emailID.value=""
        emailID.focus()
        return false
    }
    return true
}


function toggleLayer(whichLayer)
{
    if (document.getElementById) {
        // this is the way the standards work
        var style2 = document.getElementById(whichLayer).style;
        style2.display = style2.display? "":"block";
    } else if (document.all) {
        // this is the way old msie versions work
        var style2 = document.all[whichLayer].style;
        style2.display = style2.display? "":"block";
    } else if (document.layers) {
        // this is the way nn4 works
        var style2 = document.layers[whichLayer].style;
        style2.display = style2.display? "":"block";
    }
}