function proceed()
{
var st=document.form.name.value;
if ( (document.form.city_name.value == "") || (document.form.email.value == "") ||  (document.form.contactperson.value == ""))
{
    alert ("Please fill in all the compulsory fields");
    return (false);
}		


if(document.form.contactperson.value==" ")
{
alert("Please fill the Contact Person Name")
document.form.contactperson.focus();
document.form.contactperson.value=" ";
return false;
}
var st1=document.form.contactperson.value;
if(!isNaN(st1))
{
alert("Please fill correct Name")
document.form.contactperson.focus();
document.form.contactperson.value=" ";
return false;
}



if ( (document.form.email.value.indexOf("@") == -1) || (document.form.email.value.indexOf(".") == -1) )
{
	alert("Please enter a valid email-id"); 
	document.form.email.focus();
	return (false);
}

BeforeAtRate = document.form.email.value.substring(0,document.form.email.value.indexOf("@"));
AfterAtRate = document.form.email.value.substring(document.form.email.value.indexOf("@")+1,document.form.email.value.length);
if (AfterAtRate.indexOf(".") == -1)
{
	alert("Please enter a valid email-id"); 
	document.form.email.focus();
	return (false);
}
middle = AfterAtRate.substring(0, AfterAtRate.indexOf("."))
last = AfterAtRate.substring(AfterAtRate.indexOf(".") + 1,AfterAtRate.length)
if (BeforeAtRate.length == 0 || middle.length == 0 || last.length == 0)
{
	alert("Please enter a valid email-id"); 
	document.form.email.focus();
	return (false);
}


if(document.form.city_name.value==" ")
{
alert("Please fill the City Name")
document.form.city_name.focus();
document.form.city_name.value=" ";
return false;
}
if(!isNaN(st))
{
alert("Please fill correct City Name")
document.form.city_name.focus();
document.form.city_name.value=" ";
return false;
}


}