function winopen (file,name,width,height) {
  	var Win = window.open(file,name,'width=' + width + ',height=' + height + 'resizable=yes,scrollbars=yes,menubar=no,status=no');
  }
function checkform(){
if((document.getElementById("r_fname").value)==''){
alert("Please Enter Your Name In Field");
document.getElementById("r_fname").focus();
return false;
}
var r_phone=document.getElementById("r_phone").value;
check_string=/^[0-9\-]+$/;
if(!(r_phone.match(check_string))){
if(!r_phone){alert("Empty Phone Field Not Accepted");}else{
alert("Please Enter Digits Only In Phone Field");}
document.getElementById("r_phone").focus();
return false;
}
        var emailID=document.getElementById("r_email");

        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 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					
	}

<!-- Start CFN Code Block -->

	var adId = 'na';

<!-- End CFN Code Block -->