// FONT SIZER VERSION 1.0
// Developed by fluidByte (http://www.fluidbyte.net)
//modified by DTAS

//set default font sizes
var smallFont =  '63%';
var medFont = '76%';
var largeFont = '100%';

function fontResizer(smallFont,medFont,largeFont) {

	$(".smallFont").click(function(){ 
		setSmallFont(smallFont);		
	});

	$(".medFont").click(function(){ 
		setMediumFont(medFont);
	});

	$(".largeFont").click(function(){ 
		setLargeFont(largeFont); 
	});

	var savedSize = getCookie('fontsize');

	switch (savedSize) { 
		case 'small': savedSize = '63%'; break; 
		case 'medium': savedSize = '76%'; break;
		case 'large': savedSize = '100%'; break;
		default: savedSize = '76%';
	}

	if (savedSize!="") { 
		$('body').css('font-size', savedSize); 
		switch (savedSize) { 
			case smallFont: $(".smallFont").addClass("curFont"); break; 
			case medFont: $(".medFont").addClass("curFont"); break; 
			case largeFont: $(".largeFont").addClass("curFont"); break; 
			default: $(".medFont").addClass("curFont"); 
		}
	}else { 
		$('body').css('font-size', medFont); 
		$(".medFont").addClass("curFont"); 
	}
}

function setSmallFont(smallFont) {
	$('body').css('font-size', smallFont); 
	clearSelected(); 
	$(".smallFont").addClass("curFont"); 
	saveState("small"); 
}

function setMediumFont(medFont) {
	$('body').css('font-size', medFont); 
	clearSelected(); 
	$(".medFont").addClass("curFont"); 
	saveState("medium");
}

function setLargeFont() {
	$('body').css('font-size', largeFont); 
	clearSelected(); 
	$(".largeFont").addClass("curFont"); 
	saveState("large");
}

function clearSelected() { 
	$(".smallFont").removeClass("curFont"); 
	$(".medFont").removeClass("curFont"); 
	$(".largeFont").removeClass("curFont"); 
}

function saveState(curSize) {	
	var date = new Date(); 
	date.setTime(date.getTime()+(7*24*60*60*1000*52)); 
	var expires = "; expires="+date.toGMTString();
	document.cookie = "fontsize"+"="+curSize+expires+"; path=/"; 
}

function getCookie(c_name) { 
	if (document.cookie.length>0) { 
		c_start=document.cookie.indexOf(c_name + "="); 
		if (c_start!=-1) { 
			c_start=c_start + c_name.length+1; c_end=document.cookie.indexOf(";",c_start); 
			if (c_end==-1) c_end=document.cookie.length; 
			return unescape(document.cookie.substring(c_start,c_end)); 
		} 
	} 
	return ""; 
}