$(document).ready(function(){
	$('a#send').click(function(){
		validate();
	});
	
	$('a#clear').click(function(){
		document.contact_form.reset();
	});
});

function validate(){
	var flag = 0;
	
	resetFields();
	
	if(document.contact_form.facility_name.value == ''){
		$('fieldset#facility_field').addClass('error');
		$('input#facility_name').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.contact_name.value == ''){
		$('fieldset#contact_field').addClass('error');
		$('input#contact_name').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.telephone.value == ''){
		$('fieldset#phone_field').addClass('error');
		$('input#telephone').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.telephone.value == ''){
		$('fieldset#phone_field').addClass('error');
		$('input#telephone').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.email.value == ''){
		$('fieldset#email_field').addClass('error');
		$('input#email').addClass('error');
		flag = 1;
	} else {
		if(!checkEmail(document.contact_form.email.value)){
			$('fieldset#email_field').addClass('error');
			$('input#email').addClass('error');
			flag = 1;
		}
	}
	
	if(document.contact_form.address.value == ''){
		$('fieldset#address_field').addClass('error');
		$('input#address').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.state.value == 0){
		$('fieldset#state_field').addClass('error');
		$('input#state').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.zip.value == ''){
		$('fieldset#zip_field').addClass('error');
		$('input#zip').addClass('error');
		flag = 1;
	}
	
	if(document.contact_form.comments.value == ''){
		$('fieldset#comments_field').addClass('error');
		$('input#comments').addClass('error');
		flag = 1;
	}
	
	if(flag == 1){
		$('p#error_msg').css('display', 'block');
	} else {
		document.contact_form.submit();	
	}
}

function resetFields(){
	$('fieldset').removeClass('error');
	$('input').removeClass('error');
	$('select').removeClass('error');
	$('textarea').removeClass('error');
	$('p#error_msg').css({'display': 'none'});
}

function validate_key(key){
	if(key.keyCode == 13){
		validate();
	}
}

function checkEmail(str) {
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	
	if (str.indexOf(at)==-1){
	   return false;
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false;
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false;
	}

	if (str.indexOf(at,(lat+1))!=-1){
		return false;
	}

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false;
	}

	if (str.indexOf(dot,(lat+2))==-1){
		return false;
	}
	
	if (str.indexOf(" ")!=-1){
		return false;
	}

	return true;				
}