function onlyNumeric()
{
    if(window.event.keyCode < 58 && window.event.keyCode > 47){}
    else
    {
        window.event.keyCode = 0;
    }

}
function onlyPhone()
{
	//alert(window.event.keyCode);
    if(window.event.keyCode == 45 || window.event.keyCode == 43 || (window.event.keyCode < 58 && window.event.keyCode > 47)){}
    else
    {
        window.event.keyCode = 0;
    }

}

function onlyAlpha()
{
	if((window.event.keyCode == 32)||(window.event.keyCode < 123 && window.event.keyCode > 96)||(window.event.keyCode < 91 && window.event.keyCode > 64)){}
    else
    {
        window.event.keyCode = 0;
    }

}
function onlyAlphaNumeric()
{
	if((window.event.keyCode == 32)||(window.event.keyCode < 58 && window.event.keyCode > 47)||(window.event.keyCode < 123 && window.event.keyCode > 96)||(window.event.keyCode < 91 && window.event.keyCode > 64)){}
    else
    {
        window.event.keyCode = 0;
    }

}