// JScript File

function SetImage(sender)
{
    //no postback necessary
    document.imgModalPopUp.src = sender.src;
}

function ValidaQtde(myfield)
{
    if (myfield.value == '')
    {
        myfield.value = 1;
    }
}

function NumbersOnly(myfield, e, dec)
{
    var key;
    var keychar;

    if (window.event)
    {
        key = window.event.keyCode;
    }
    else if (e)
    {
        key = e.which;
    }
    else
    {
        return true;
    }
	
    keychar = String.fromCharCode(key);

    if ((key==null) || (key==0) || (key==8) || (key==9) || (key==27)) // control keys
    {
        return true;
    }
    else if ((("0123456789").indexOf(keychar) > -1)) // numbers
    {
        return true;
    }
    else if (dec && (keychar == ".")) // decimal point jump
    {
        myfield.form.elements[dec].focus();
        return false;
    }
    else
    {
        return false;
    }
}