function gotoCalc(val1, val2, val3) {
    var linkButton = document.getElementById('linkButton');
    if (document.getElementById(val1).value == '' || document.getElementById(val2).value == '' || document.getElementById(val3).value == '') {
        alert('Please insert required fields');
        return false;
    }    
	var qryString  = "v1=" + document.getElementById(val1).value + "&v2=" + document.getElementById(val2).value + "&v3=" + document.getElementById(val3).value;
	var url = "FullListPayment.aspx?" + qryString;
	window.location.href = url;

}