// Initialize the arrays containing our size info.

var pixelArray  = new Array( '9px','11px','13px','15px','17px','19px');  // Possible font px sizes
var pixelArray2 = new Array('13px','15px','17px','19px','21px','23px');  // Possible font px sizes
var countOfPixels = pixelArray.length-1;
var initSize = 2; // 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('p');
        for(i = 0; i < aTables.length; i++){
                        aTables[i].style.fontSize = pixelArray[theFontSize];
        }
        
        aTables = document.getElementsByTagName('b');
        for(i = 0; i < aTables.length; i++){
                        aTables[i].style.fontSize = pixelArray[theFontSize];
        }
        
        aTables = document.getElementsByTagName('h1');
        for(i = 0; i < aTables.length; i++){
                        aTables[i].style.fontSize = pixelArray2[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];
        
        //alert(theFontSize);
        
}

function normalSize() {
        /*if (!document.getElementById) return;*/
        
        var size = 2;
        
        doFontSizing(size);        
        createCookie("size", size, 365);
}

function normalSizePrint() {
        /*if (!document.getElementById) return;*/
        
        var size = 2;
        
        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 = "";
        }
        var c=name+'='+value+'; '+expires+'; path=/';
        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"));
        //fontSizerOnLoad(4);
}