function validate(form1){

if(document.form1.query1.value==""){

	alert("Please enter your query.");

	document.form1.query1.focus();

	return false;
}
if(document.form1.name.value=="")
{
alert("Please enter your name.");
document.form1.name.focus();
return false;
}


if(document.form1.email.value==""){

	alert("Please enter your Email.");

	document.form1.email.focus();

	return false;

}
var emailvalid=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;
var emailadd=document.form1.email.value;
if(emailvalid.test(emailadd)==false)
{
alert("please enter valid email");
return false;
}

if (document.form1.contact.value == "")
{
alert ( "The contact no field is blank." );
return false;
}

if(isNaN(document.form1.contact.value))
{
alert("Please enter valid conact no");
document.form1.contact.focus();
return false;
}
if (document.form1.contact.value.length<10)
{
alert("Enter your contact no not less than 10 digit");

return false;
}

 /*  var mobiledigit=/^\d{10}$/;
if (document.form1.contact.value.search(mobiledigit)==-1) {
alert("Please enter valid conact no");
document.form1.contact.focus();
return false;
} 
  var phonedigit=/^\d{10}$/
if (document.form1.phoneno.value.search(phonedigit)==-1) {
alert("Please enter a valid 10 phone no");
document.form1.phoneno.focus();
return false;
} */
}