// JavaScript Document
function validate()
{
	if(trim(document.form1.f_name.value) == "")
	{
		alert("Please Enter Your Name");
		document.form1.f_name.focus();
		return false;
	}

	if(trim(document.form1.email.value) == "")
	{
		alert("Please Enter Your Email Address");
		document.form1.email.focus();
		return false;
	}
	if( !isEmail(document.form1.email.value) )
	{
		alert("Please Enter A Valid Email Address");
		document.form1.email.focus();
		document.form1.email.select();
		return false;
	}
	if(trim(document.form1.subj.value) == "")
	{
		alert("Please Enter A Subject");
		document.form1.subj.focus();
		return false;
	}

	if(trim(document.form1.message.value) == "")
	{
		alert("Please Enter A Message");
		document.form1.message.focus();
		return false;
	}
	
}
function isEmail(emailstr)
{
	dotchar = emailstr.indexOf(".");
	atchar = emailstr.indexOf("@");
	dotlast = emailstr.lastIndexOf(".");
	spacechar = emailstr.indexOf(" ");
	len = emailstr.length;
	if( (dotchar == -1) || (atchar == -1) || (spacechar != -1) || (dotlast < atchar) || (dotlast == len - 1) )
	{
		return false;
	}
	else
	{
		return true;
	}
}
function trim(str)
{
ch = '';
for(i=0;i<str.length;i++)
{
	cha = str.charAt(i);
	if(cha != ' ')
	{
		ch = ch + cha;
	}
}
return ch;
}