function isNumber(field) { 
        var re = /^[0-9]*$/; 
        if (!re.test(field.value)) { 
            field.value = field.value.replace(/[^0-9]/g,""); 
        } 
}
function interVeilShow() {
  var xinterVeil = document.getElementById('interVeil');
  xinterVeil.style.width=document.body.clientWidth;
  xinterVeil.style.height=document.body.clientHeight;
  xinterVeil.style.position='absolute';
  xinterVeil.style.right='0';
  xinterVeil.style.top='0';
  xinterVeil.style.opacity='0.8';
  xinterVeil.style.visibility = 'visible';
}
function interVeilHide() {
  var xinterVeil = document.getElementById('interVeil');
  xinterVeil.style.width='0px';
  xinterVeil.style.height='0px';
  xinterVeil.style.visibility = '';
}

function MyCalc1(){
    var val1 = document.form1.txtPubPrice.value;
    var val2 = document.form1.ddlDealer1.value;
    var amt = val1 * (100 - val2)/100;
    document.form1.txtDealer1.value = amt;
}

function MyCalc2(){
var val1 = document.form1.txtPubPrice.value;
var val2 = document.form1.ddlDealer2.value;
var amt = val1 * (100 - val2)/100;
document.form1.txtDealer2.value = amt;
}

function MyCalc3(){
var val1 = document.form1.txtPubPrice.value;
var val2 = document.form1.ddlDealer3.value;
var amt = val1 * (100 - val2)/100;
document.form1.txtDealer3.value = amt;
}