function validate()
	{
		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;
		}
		else
		{
			var email,s,subs;
			email=document.form1.email.value;
			s=email.split("@");
			if(s.length>=2 && s[1] !="")
			{
				subs=s[1].split(".");
				if(subs.length<2 || subs[1] =="")
				{
					alert("Please enter valid email");
					document.form1.email.focus();
					return false;
				}
			}
			else
			{
				alert("Please enter valid email");
				document.form1.email.focus();
				return false;
			}

		}
		if(document.form1.phone.value !="")
		{
			if(!document.form1.phone.value.match(/^[0-9 +-_]*$/g))
			{
				alert("Please enter valid phone number");
				document.form1.phone.focus();
				return false;
			}
		}

		if(document.form1.uploadfile.value=="" && document.form1.linksend.value=="http://")
		{
			alert("Please enter Link or browse any file to upload");
			return false;
		}

		if(document.form1.security_code.value=="")
		{
			alert("Please enter security code");
			return false;
		}

	}