function contact_vali(form)
{
	var name=form['fname'];
	var e_mail=form['e_mail'];
	var subject=form['subject'];
	var cmessage=form['message'];
	var captcha=form['captcha_val'];
	//var message="";
	if(name.value == ""){
		alert("Please specify your name.");		
		name.focus();
		return false;
	}
	 
	
	if(e_mail.value == ""){
		alert("Please specify your E-mail.");		
		e_mail.focus();
		return false;
	}
	else if(!isEmail(e_mail.value)) {
		alert("Please specify valid E-mail.");		
		e_mail.focus();
		return false;
	}
	if(subject.value == ""){
		alert("Please specify Subject.");		
		subject.focus();
		return false;
	}
	if(cmessage.value == ""){
		alert("Please specify your Message.");		
		cmessage.focus();
		return false;
	}
	if(captcha.value == ""){
		alert("Please specify secuirty code.");		
		captcha.focus();
		return false;
	}
}

function isPassword(password)
{
		if(password.length<6)
			return false;
		for(var i=0;i<password.length;i++){
			if(password.charAt(i)==" ")
				return false;
		}
		return true;
}

function isPhone(phone)
{
	var temp="";
	for(var i=0;i<phone.length;i++)
	{
			temp=phone.charAt(i);
			if(!(temp>="0" && temp<="9"))
				return false;
	}
	return true;
}	
function isUserName(username)
{
	
    var pattern = /^[a-zA-Z][a-zA-Z0-9_\.]{2,19}$/;
	if(pattern.test(username))
	{
		return true;	
	}
	else
	{
		return false;
	}
	/*if(username.length<3)
		return false;
	var temp;

	if(username.length<3)
		return false;
	var temp;
	if(!(username.charAt(0)>="A" && username.charAt(0)<="z"))
		return false;
	if((username.charAt(username.length-1)>="A" && username.charAt(username.length-1)<="z") || (username.charAt(username.length-1)>="0" && username.charAt(username.length-1)<="9"))
		temp="";
	else
		return false;
		
	for(var i=0;i<username.length;i++){
		temp=username.charAt(i);
		
		if((temp>="0" && temp<="9") || (temp>="A" && temp<="z") || (temp=="_") || (temp=="."))
			temp="";
		else
			return false;
		
	}
	return true;
	*/
}