/*
	Easydynfont 
	Version 1.0
	written by Chris Heilmann
	please refer to the homepage at http://www.onlinetools.org/tools/easydynfont.php 
*/

// Standard setting, separate fonts with "," and make sure to set standardfont
// and size to avoid errors
var fonts="Arial,Times New Roman,Verdana,Courier".split(",");
var standardfont="Arial";
var smallsize="70";
var standardsize="85";
var largesize="110";
var nosave=false;
var cookiesize="";
/* 
	function drawform()
	adds the standard form to the document.
*/
function efDrawform(){
    if (!document.layers){
		/*
		document.write("<form action=\"/\" name=\"dynform\" class=\"dynform\">");
		document.write("<select class=\"dynselect\" name=\"typeface\" onchange=\"setFont(this.options[this.selectedIndex].value)\">");
		for (i=0;i<fonts.length;i++){
			document.write("	<option value=\""+fonts[i]+"\">"+fonts[i]+"</option>");
		}
		document.write("</select>");
		document.write("<input type=\"button\" class=\"dynbutton\" onclick=\"addSize(-10)\" value=\"smaller\" />");
		document.write("<input type=\"button\" class=\"dynbutton\" onclick=\"addSize(10)\" value=\"larger\" />");
		document.write("<input type=\"checkbox\" name=\"nosave\" /><span>Don't store as default.</span>");
		document.write("</form>");
		*/
		
		document.write("<img src=\"images/nav/textsize_label.jpg\" width=\"64\" height=\"23\" border=0>");
		document.write("<a href=\"javascript:void();\" onclick=\"setSize(smallsize);\"><img src=\"images/nav/textsize_small.jpg\" width=\"13\" height=\"23\" border=0></a>");
		document.write("<a href=\"javascript:void();\" onclick=\"setSize(standardsize);\"><img src=\"images/nav/textsize_medium.jpg\" width=\"12\" height=\"23\" border=0></a>");
		document.write("<a href=\"javascript:void();\" onclick=\"setSize(largesize);\"><img src=\"images/nav/textsize_large.jpg\" width=\"19\" height=\"23\" border=0></a>");
		document.write("<a href=\"javascript:void();\" onclick=\"setSize(standardsize);\"><img src=\"images/nav/textsize_reset.jpg\" width=\"70\" height=\"23\" border=0></a>");
	
	}else{
		document.write("<img src=\"images/nav/textsize_sky.jpg\" width=\"178\" height=\"23\" border=0>");
	}
}

/* 
	function init()
	loads the cookiedata and changes the document accordingly, if there is no 
	cookie, sets the standard settings and stores it 
*/
function efInit(){
//	if(document.all){
//		document.all.body.style.fontSize="100%";
//	}else{
//	
//	}
	//alert("efInit();");
    if (!document.layers){
		size=getCookie("dynfontsize");
		if (size!=null){
			c=size.split(":");
			//alert("cookie loaded:"+c[0]);
			cookiesize=c[0];
			setSize(c[0]);
			//document.getElementsByTagName("body").item(0).style.fontSize=c[0];
			//document.getElementsByTagName("body").item(0).style.fontFamily=c[1];
		}else{
			setSize(standardsize);
		}
	}
	// Special setting, if you want to use the "don't save" chekbox
	//nosave=document.dynform.nosave.checked;
}		
/* 
	function addSize(add)
	increases the size of the document font by "add", negative values make the 
	font smaller.
*/
function addSize(add){
    if (!document.layers){
	doc = document.getElementsByTagName("body").item(0);
	size=parseInt(doc.style.fontSize)+add;
	doc.style.fontSize=size+"%";
	if (nosave==false) storeSize();
	}
}
/* 
	function SetSize(add)
	sets the font size of the document.
*/
function setSize(add){
    if (!document.layers){
		document.getElementsByTagName("body").item(0).style.fontSize=add+"%";
		for(i=0;i<document.getElementsByTagName("td").length;i++){
			document.getElementsByTagName("td").item(i).style.fontSize=add+"%";
		}
		if(cookiesize!=add)
			storeSize(add);
	}
}

/* 
	function SetFont(add)
	sets the font face of the document.
*/
function setFont(add){
    if (!document.layers){
	doc = document.getElementsByTagName("td").item(0);
	doc.style.fontFamily=add;
	if (nosave==false) storeSize();
	}
}

/* 
	function storeSize()
	saves the current settings of the document in a cookie
*/
function storeSize(size){
	var exp = new Date();
	exp.setTime(exp.getTime() + 24*60*60*90*1000);
	//size=document.getElementsByTagName("body").item(0).style.fontSize;
	font=document.getElementsByTagName("body").item(0).style.fontFamily;
	//alert("setcookie"+size+":"+font);
	return setCookie("dynfontsize",size+":"+font,exp);
}
/* 
	function setCookie()
	sets the cookie
*/
function setCookie(name, value, expires, path, domain, secure) { 
	var curCookie = name + "=" + escape(value) + 
		((expires) ? "; expires=" + expires.toGMTString() : "") + 
		((path) ? "; path=" + path : "") + 
		((domain) ? "; domain=" + domain : "") + 
		((secure) ? "; secure" : "");
	document.cookie = curCookie;
	return true;
} 
/* 
	function getCookie()
	reads the cookie
*/
function getCookie(name) { 
	var prefix = name + "=";
	var cookieStartIndex = document.cookie.indexOf(prefix);
	if (cookieStartIndex == -1) 
		return null;
	var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + 
	prefix.length);
	if (cookieEndIndex == -1) 
		cookieEndIndex = document.cookie.length;
	return unescape(document.cookie.substring(cookieStartIndex + 
		prefix.length, cookieEndIndex));
}