// Initialize the arrays containing our size info.

var pixelArray = new Array('10px','12px', '16px'); // Possible font px sizes
var countOfPixels = pixelArray.length;
var initSize = 1; // Array position of inital px size

function fontSizer(inc) {
/*if (!document.getElementById) return;*/

var size = readCookie('size');
size = parseInt(inc)+parseInt(size);
if (size < 0 ) { size = 0; }
if (size > countOfPixels ) { size = countOfPixels; }

doFontSizing(size);

createCookie("size", size, 365);
}

function fontSizerOnLoad(preferredSize) {
/*if (!document.getElementById) return;*/

var size = readCookie('size');
if (size < 0 ) { size = 0; }
if (size > countOfPixels ) { size = countOfPixels; }

/*switchPic();*/
doFontSizing(size);
}

function doFontSizing(theFontSize) {
// Bugfix: Elements inside table would not resize with only the code below, so we do them seperatly.
// NOTE: This only resizes the font, nothing else.
// Resize by ID does not work with this.
//aTables = document.getElementsByTagName('table');
//for(i = 0; i < aTables.length; i++){
// aTables[i].style.fontSize = pixelArray[theFontSize];
//}

// if you rather want to size an individual element by ID, use this:
// resizeContainer = document.getElementById('nameOfConainingElement');
// and uncomment the if statements at the start of each function
resizeContainer = document.getElementsByTagName('body')[0];
resizeContainer.style.fontSize = pixelArray[theFontSize];

}

function normalSize() {
/*if (!document.getElementById) return;*/

var size = 1;

doFontSizing(size);
createCookie("size", size, 365);
}

function normalSizePrint() {
/*if (!document.getElementById) return;*/

var size = 1;

doFontSizing(size);
}

/*function switchPic(size){
theImage = document.getElementById('dIndexBanner').firstChild;
imagePath = theImage.src;

}*/

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 {
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 initSize;
}

window.onload = function(e) {
	fontSizerOnLoad(readCookie("size"));
}