$(document).ready(function(){loadSize()});
	
	var searchEmpty = false;

	function clearSearch(obj)
	{
		if (!searchEmpty)
		{
			obj.value = "";
			searchEmpty = true;
		}
	}
	
	
	function loadSize()
	{
		var fontsize = readCookie("fontsize");
		if (!fontsize) fontsize= 11;
   	resize(fontsize);
	}
	
	
	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);
	}
	
	
	function sizeDown()
	{
		var size = getSize();
		size = (size > 0) ? size-1 : size;
		resize(size);
		storeSize(size);
	}
	
	function sizeNormal()
	{
		resize(11);
		storeSize(11);
	}

	function sizeUp()
	{
		var size = getSize();
		size++;
		resize(size);
		storeSize(size);
	}
	
	function getSize()
	{
		return parseInt($(".defaultcontent").css("font-size").replace("px",""));
	}
	
	function resize(size)
	{
		$(".defaultcontent").css("font-size",size + "px");
	}
	
	function storeSize(size)
	{
		createCookie("fontsize",size,365);
	}