/*
	PRELOAD ROLLOVER IMAGES
	-------------------------------------------------------------------------
*/

	jQuery.preloadImages = function()
	{
	  for(var i = 0; i<arguments.length; i++)
	  {
		jQuery("<img>").attr("src", arguments[i]);
	  }
	}

	$.preloadImages(

		"/images/home/top-btn-about-over.jpg",
		"/images/home/top-btn-news-over.jpg",
		"/images/home/top-btn-contact-over.jpg",

		"/images/content/sn01-over.jpg",
		"/images/content/sn02-over.jpg",
		"/images/content/sn03-over.jpg",
		"/images/content/sn04-over.jpg",
		"/images/content/sn05-over.jpg",
		"/images/content/sn06-over.jpg",

		"/images/content/subnav/btn-bg-over.jpg"

	);




/*
	COOKIE MANAGEMENT
	-------------------------------------------------------------------------
*/

	function createCookie(name,value,days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	}

	function readCookie(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		return null;
	}

	function eraseCookie(name) {
		createCookie(name,"",-1);
	}



/*
	FONT SIZE CHANGE
	-------------------------------------------------------------------------
*/

	// initialize the jquery code
	$(document).ready(

		function()
		{
			// changer links when clicked
			$("a.FontChanger").click(
			
				function()
				{
					//set the div with class mainText as a var called $mainText 
					var $mainText = $('div.Content');

					// set the current font size of .mainText as a var called currentSize
					var currentSize = $mainText.css('font-size');

					// parse the number value out of the font size value, set as a var called 'num'
					var num = parseFloat(currentSize, 10);

					// make sure current size is 2 digit number, save as var called 'unit'
					var unit = currentSize.slice(-2);

					// set the current line height of .mainText as a var called currentLH
					var currentLH = $mainText.css('line-height');

					// parse the number value out of the line-height value, set as a var called 'numLH'
					var numLH = parseFloat(currentLH, 10);

					// make sure current line height is 2 digit number, save as var called 'unitLH'
					var unitLH = currentLH.slice(-2);

					// javascript lets us choose which link was clicked, by ID
					if (this.id == 'LargerFont')
					{
						num = num * 1.2;
						numLH = numLH * 1.2;
						
						if (num > 24)
						{
							num = num / 1.2;
							numLH = numLH / 1.2;
						}
						
						createCookie("jQueryFontSize", num, 30);
						createCookie("jQueryFontLineHeight", numLH, 30);

						// jQuery lets us set the font Size value of the mainText div
						$mainText.css('font-size', num + unit);

						// jQuery lets us set the line height value of the mainText div
						$mainText.css('line-height', numLH + unitLH);
					}
					else if (this.id == 'SmallerFont')
					{
						// jQuery lets us set the font Size value of the mainText div
						$mainText.css('font-size', '13px');

						// jQuery lets us set the line height value of the mainText div
						$mainText.css('line-height', '20px');

						eraseCookie("jQueryFontSize");
						eraseCookie("jQueryFontLineHeight");
					}
				
					return false;
				}
			);
		}
	);

	function SetFontSize()
	{
		if (readCookie("jQueryFontSize") != null && readCookie("jQueryFontLineHeight") != null)
		{
			if (readCookie("jQueryFontSize").length > 0 && readCookie("jQueryFontLineHeight").length > 0)
			{
				var $mainText = $('div.Content');

				var num = parseFloat(readCookie("jQueryFontSize"), 10);
				var numLH = parseFloat(readCookie("jQueryFontLineHeight"), 10);

				var currentSize = $mainText.css('font-size');
				var currentLH = $mainText.css('line-height');

				var unit = currentSize.slice(-2);
				var unitLH = currentLH.slice(-2);

				// jQuery lets us set the font Size value of the mainText div
				$mainText.css('font-size', num + unit);

				// jQuery lets us set the line height value of the mainText div
				$mainText.css('line-height', numLH + unitLH);
			}			
		}
	}