function contactus_validation()
{
txt_name= document.form1.txt_name.value;
txt_company= document.form1.txt_company.value;
txt_comments= document.form1.txt_comments.value;
txt_phone= document.form1.txt_phone.value;
txt_validate=document.form1.txt_validate.value;

if (txt_name == "")
{
alert("Please enter your name");
document.form1.txt_name.focus();
return false;
}
else if (txt_company == "")
{
alert("Please enter company name");
document.form1.txt_company.focus();
return false;
}
else if (txt_phone == "")
{
alert("Please enter phone number");
document.form1.txt_phone.focus();
return false;
}
else if (isNaN(txt_phone))
{
alert("Please enter numeric value");
document.form1.txt_phone.focus();
return false;
}
else if ((document.form1.txt_email.value.indexOf("@") == -1) || (document.form1.txt_email.value.indexOf(".") == -1))
	{
	alert("Please enter correct email ID");
	document.form1.txt_email.focus();
	return false;
	}
else if (txt_comments == "")
{
alert("Please enter your comments");
document.form1.txt_comments.focus();
return false;
}
else if (txt_validate != "R10W24")
	{
		alert("Please Enter The Correct Text");
		document.form1.txt_validate.focus();
		return false;
	}
	else 
		return true;
}