/**********************
*
*  backgroundpostion used for menu
*
**********************/
if(!document.defaultView || !document.defaultView.getComputedStyle){ // IE6-IE8 
	var oldCurCSS = jQuery.curCSS;
	jQuery.curCSS = function(elem, name, force){
		if(name === 'background-position'){
			name = 'backgroundPosition';
		}
		if(name !== 'backgroundPosition' || !elem.currentStyle || elem.currentStyle[ name ]){
			return oldCurCSS.apply(this, arguments);
		}
		var style = elem.style;
		if ( !force && style && style[ name ] ){
			return style[ name ];
		}
		return oldCurCSS(elem, 'backgroundPositionX', force) +' '+ oldCurCSS(elem, 'backgroundPositionY', force);
	};
}


var oldAnim = $.fn.animate;

$.fn.animate = function(prop){
	if('background-position' in prop){
		prop.backgroundPosition = prop['background-position'];
		delete prop['background-position'];
	}
	if('backgroundPosition' in prop){
		prop.backgroundPosition = '('+ prop.backgroundPosition;
	}
	return oldAnim.apply(this, arguments);
};

function toArray(strg){
	strg = strg.replace(/left|top/g,'0px');
	strg = strg.replace(/right|bottom/g,'100%');
	strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
	var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
	return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
}

$.fx.step.backgroundPosition = function(fx) {
	if (!fx.bgPosReady) {
		var start = $.curCSS(fx.elem,'backgroundPosition');
		
		if(!start){//FF2 no inline-style fallback
			start = '0px 0px';
		}
		
		start = toArray(start);
		
		fx.start = [start[0],start[2]];
		
		var end = toArray(fx.options.curAnim.backgroundPosition);
		fx.end = [end[0],end[2]];
		
		fx.unit = [end[1],end[3]];
		fx.bgPosReady = true;
	}
	//return;
	var nowPosX = [];
	nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
	nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];           
	fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];
};





/*****************
*
*  Handles menu rollover effects
*  Uses the backgroundPosition.js library
*
*****************/
$('a.inactive')
	.css( {backgroundPosition: "top left"})	
	.mouseover(
		function(){
			$(this).animate({backgroundPosition:"(left -27px)"}, {duration:250});
		}
	)

	.mouseout(
		function(){
			$(this).animate({backgroundPosition:"(left 0)"}, {duration:500});
		}
	);

	

$('li.inactive')
	.css( {backgroundPosition: "top right"})
	.mouseover(function(){
		$(this).animate({backgroundPosition:"(right -27px)"}, {duration:250});
		}
	)

	.mouseout(function(){
		$(this).animate({backgroundPosition:"(right 0)"}, {duration:500});
		}
	);	



$('#menu a.active').css( {backgroundPosition: "left -27px"} );




/**************
*
*	fadein page content
* problem i'm having is that the links fade in and hit a very ugly green while fading in. odd.
* $("#main-body").css( "display", "none").fadeIn(1000);
*
**************/
$("#fade-in-container").hide().fadeIn(1000);






/**********************
*
*  send email from footer form
*
**********************/
	$("#submit").click(function(){	
		document.getElementById("email-status").text = "";															
																
		$(".error").text("");		
		var hasError = false;
		var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
		
		var emailToVal = "leasing@hawaiistudenthousing.org";		

		var visitorNameVal = $("#visitorName").val();
		if(visitorNameVal == '') {
			$("#email-status").before('<div class="error">Please enter your name.</div>');
			hasError = true;
		}


		var emailFromVal = $("#emailFrom").val();
		if(emailFromVal == '') {
			$("#email-status").before('<div class="error">Please enter your email address.</div>');
			hasError = true;
		} else if(!emailReg.test(emailFromVal)) {	
			$("#email-status").before('<div class="error">Please enter a valid email address.</div>');
			hasError = true;
		}
		
		var subjectVal = $("#subject").val();
		if(subjectVal == '') {
			$("#email-status").before('<div class="error">Please enter a subject.</div>');
			hasError = true;
		}
		
		var messageVal = $("#message").val();
		if(messageVal == '') {
			$("#email-status").before('<div class="error">Please enter a message.</div>');
			hasError = true;
		}
				

		if(hasError == false) {
			$.post("inc/send-mail.php", 
						{ visitorName: visitorNameVal, emailTo: emailToVal, emailFrom: emailFromVal, subject: subjectVal, message: messageVal },
						function(data){
							$("#email-form").hide();
							$("#email-success").html("Thank you for your input.").hide().fadeIn("slow");
							//alert(data);
						}
			);
		}
		
		return false;
	});