function validate_form()
{
	if(document.contact_form.Name.value=="")
	{
		alert("Please enter your Name");
		document.contact_form.Name.focus();
		return false;
	}

			
var string1=document.contact_form.Email.value;
	if(string1=="")
	{
		alert("Please enter your Email address");
		document.contact_form.Email.focus();
		return false;
	}

	if((string1.indexOf("@")==-1)|| (string1.indexOf(".")==-1))
	{
		alert("Please enter a valid Email address");
		document.contact_form.Email.focus();
		return false;
	}
return true;

} 


/* For videos javascript */
function NewWindow( valgif )
{
n_win = open(valgif,"ThisWindow","toolbar=no,directories=no,menubar=no,scrollbars=no,height=400,width=400");
n_win.document.close();

}