function formvalidate()
{
	username=document.form1.username.value=trimspaces(document.form1.username.value);
	emailid=document.form1.emailid.value=trimspaces(document.form1.emailid.value);
	if (username == "")
	{
		alert ("Please enter your name.");
		document.form1.username.focus();
		return false;
	}
	else if (emailid == "")
	{
		alert ("Please enter your email address.");
		document.form1.emailid.focus();
		return false;
	}
	else if (!checkemail(emailid))
	{
		alert ("Please enter your valid email address.");
		document.form1.emailid.focus();
		return false;
	}
	return true;
}
function contact_form_validate()
{
	username=document.contact_form.username.value=trimspaces(document.contact_form.username.value);
	emailid=document.contact_form.emailid.value=trimspaces(document.contact_form.emailid.value);
	userphone=document.contact_form.userphone.value=trimspaces(document.contact_form.userphone.value);
	usercomments=document.contact_form.usercomments.value=trimspaces(document.contact_form.usercomments.value);
	if (username == "")
	{
		alert ("Please enter your name.");
		document.contact_form.username.focus();
		return false;
	}
	else if (emailid == "")
	{
		alert ("Please enter your email address.");
		document.contact_form.username.focus();
		return false;
	}
	else if (!checkemail(emailid))
	{
		alert ("Please enter your valid email address.");
		document.contact_form.emailid.focus();
		return false;
	}
/*	else if (userphone == "")
	{
		alert ("Please enter your phone number.");
		document.contact_form.userphone.focus();
		return false;
	}*/
	else if (usercomments == "")
	{
		alert ("Please enter your comments.");
		document.contact_form.usercomments.focus();
		return false;
	}
	return true;
}