function validate_newsletter_form ()
{
	/*********************/
	if (document.newsletter.email.value=="")
	{
		alert("Please enter your e-mail address!");
		return;
	}
	emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]+[\\w-_\.]+[.][\\w-_\.]+[a-zA-Z]$"
	var regex = new RegExp(emailReg);
	
	/*********************/
	if (! (regex.test(document.newsletter.email.value)))
		{
		alert ("Please check your e-mail address!");
		return;
	}	
	
	document.newsletter.submit();
}


function validate_application_form ()
{
	/*********************/
	if (document.application.name.value=="")
	{
		alert("Please enter your name!");
		return;
	}
	if (document.application.surname.value=="")
	{
		alert("Please enter your surname!");
		return;
	}
	if (document.application.email.value=="")
	{
		alert("Please enter your e-mail address!");
		return;
	}
	emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]+[\\w-_\.]+[.][\\w-_\.]+[a-zA-Z]$"
	var regex = new RegExp(emailReg);
	
	/*********************/
	if (! (regex.test(document.application.email.value)))
		{
		alert ("Please check your e-mail address!");
		return;
	}	
	
	if (document.application.resume.value=="")
	{
		alert("Please enter your resume information!");
		return;
	}
	
	document.application.submit();
}


	


function validate_feedback_form ()
{
	/*********************/
	if (document.feedback.name.value=="")
	{
		alert("Please enter your name!");
		return;
	}
	if (document.feedback.surname.value=="")
	{
		alert("Please enter your surname!");
		return;
	}
	if (document.feedback.company.value=="")
	{
		alert("Please enter your company name!");
		return;
	}
	
	if (document.feedback.email.value=="")
	{
		alert("Please enter your e-mail address!");
		return;
	}

	emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]+[\\w-_\.]+[.][\\w-_\.]+[a-zA-Z]$"
	var regex = new RegExp(emailReg);
	
	/*********************/
	if (! (regex.test(document.feedback.email.value)))
		{
		alert ("Please check your e-mail address!");
		return;
	}	
	if (document.feedback.country.value=="")
	{
		alert("Please enter your Country!");
		return;
	}
	if (document.feedback.message.value=="")
	{
		alert("Please enter your message!");
		return;
	}
	document.feedback.submit();
}

/*********************/
/*********************/

function validate_sayfa_gonder ()
{
	/*********************/
	
	if (document.frm_sayfa_gonder.name_from.value=="")
	{
		alert("Please enter your name!");
		return;
	}
	
	if (document.frm_sayfa_gonder.email_from.value=="")
	{
		alert("Please check your e-mail address!");
		return;
	}

	emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]+[\\w-_\.]+[.][\\w-_\.]+[a-zA-Z]$"
	var regex = new RegExp(emailReg);
	
	/*********************/
	if (! (regex.test(document.frm_sayfa_gonder.email_from.value)))
		{
		alert ("Please check your e-mail address!");
		return;
		}	

	/*********************/
	if (document.frm_sayfa_gonder.email_to.value=="")
	{
		alert("Please check recipient's e-mail address!");
		return;
	}
	
	/*********************/
	var emailstring;
	emailstring = document.frm_sayfa_gonder.email_to.value.split(",");
	var checkedmail;
	
	for(i=0; i < emailstring.length; i++)
	{
		checkedmail = emailstring[i];
		if (! (regex.test(checkedmail)) && checkedmail != "")
		{
			alert ("Please check recipient's e-mail address!");
			return;
		}
	}

		document.frm_sayfa_gonder.submit();
}

/*********************/
/*********************/

/*********************/
/*********************/

/* Max character check */
var supportsKeys = false;

function start_capture() {
tick();
document.frm_sayfa_gonder.max_karakter.select();
}

function tick() {
calcCharLeft(document.frm_sayfa_gonder);
if (!supportsKeys) timerID = setTimeout("tick()",200);
}

function calcCharLeft(f) 
{
	maxLength = 500;		
	if (f.comments.value.length > maxLength)
	{
		f.comments.value = f.comments.value.substring(0,maxLength);
		charleft = 0;
	}
	else
	{
		charleft = maxLength - f.comments.value.length;
	}
	f.max_karakter.value = charleft;
}

function textKey(f) 
{
	supportsKeys = true;
	calcCharLeft(f);
}
/*************************/