/*--text feild clear function --*/ 
function clearText(field){
    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;
}
/*--text feild clear function ends --*/

/*FUNCTION FOR NEWSLETTER SUBSCRIPTION*/
function newsletterSubscribe(){
		//GET THE EMAIL ADDRESS
		var email_address = $('#subscriber_email').val();
		var site_name = 'kobra-shredder';
		//CHECK IF EMAIL ADDRESS ENTERED IS VALID OR NOT
		if(isEmail(email_address)){

			$.get("newsletter.php?action=newsletter_subscribe_email",{
														 Email_Address:email_address,
														 Site_Name : site_name
														}, function(data){
															
															if(data=='failed'){
																$('#newsletter_subs_message').html('<font color="red">Email Already Exists!</font>');
															}
															if(data=='success'){
																$('#newsletter_subs_message').html('<font color="#009900"><b>Thanks For Subscribing!</b></font>');
															}
														});
			
		}else{
			$('#newsletter_subs_message').html('<font color="red">Please Enter Valid Email!</font>');
		}
}

/*FUNCTION TO CHECK EMAIL VALIDATION*/
function isEmail(string) {
	return (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1);
}