var dw_fontSizerDX = {
    sizeUnit:    "px",
    defaultSize: 14,
    maxSize:     24,
    minSize:     10,

    adjustList: [],
        set: function (sel,dflt,mn,mx) {
            this.adjustList[this.adjustList.length] = arguments;
        },

    init: function() {
        var size, sizerEl, i;
        if ( !document.getElementById || !document.getElementsByTagName ) return;
        size = window.location.search? window.location.search.slice(1): getCookie("fontSize");
        size = !isNaN( parseFloat(size) )? parseFloat(size): this.defaultSize;
        if ( size > this.maxSize || size < this.minSize ) size = this.defaultSize;
        this.curSize = this.defaultSize;
        sizerEl = document.getElementById('sizer');
        if (sizerEl) sizerEl.style.display = "block";
        for (i=0; this.adjustList[i]; i++) 
        this.adjustList[i][4] = this.adjustList[i][1] / this.defaultSize;
        if ( size != this.defaultSize ) this.adjust( size - this.defaultSize );
    },

    adjust: function(n) {
        var alist, size, list, i, j;
        if ( n > 0 && dw_fontSizerDX.maxSize ) {
            if ( dw_fontSizerDX.curSize + n > dw_fontSizerDX.maxSize )
            n = dw_fontSizerDX.maxSize - dw_fontSizerDX.curSize;
        } 
        else if ( n < 0 && dw_fontSizerDX.minSize ) {
            if ( dw_fontSizerDX.curSize + n < dw_fontSizerDX.minSize )
            n = dw_fontSizerDX.minSize - dw_fontSizerDX.curSize;
        }
        if ( n == 0 ) return false;
        dw_fontSizerDX.curSize += n;
        alist = dw_fontSizerDX.adjustList;
        for (i=0; alist[i]; i++) {
            size = dw_fontSizerDX.curSize * alist[i][4];
            size = Math.max(alist[i][2], size); size = Math.min(alist[i][3], size);
            list = dw_getElementsBySelector( alist[i][0] );
            for (j=0; list[j]; j++) { list[j].style.fontSize = size + dw_fontSizerDX.sizeUnit; }
        }
        setCookie( "fontSize", dw_fontSizerDX.curSize, 180, "/" );
    },

    reset: function() {
        var alist = dw_fontSizerDX.adjustList, list, i, j;
        for (i=0; alist[i]; i++) {
            list = dw_getElementsBySelector( alist[i][0] );
            for (j=0; list[j]; j++) { list[j].style.fontSize = alist[i][1] + dw_fontSizerDX.sizeUnit; }
        }
        dw_fontSizerDX.curSize = dw_fontSizerDX.defaultSize;
        deleteCookie("fontSize", "/");
    }
}

function dw_getElementsBySelector(selector) {
    var nodeList = [document], tokens, bits, list, els, i, j, k;
    if (!document.getElementsByTagName) return [];
    tokens = selector.split(' ');
    for (i=0; tokens[i]; i++) {
        if ( tokens[i].indexOf('#') != -1 ) {
            bits = tokens[i].split('#'); 
            nodeList = [ document.getElementById( bits[1] ) ];
            continue; 
        } 
        else if ( tokens[i].indexOf('.') != -1 ) {
            bits = tokens[i].split('.');
            for (j=0; nodeList[j]; j++) 
            list = dw_getElementsByClassName( bits[1], bits[0], nodeList[j]);
            nodeList = [];
            for (j=0; list[j]; j++) { nodeList.push(list[j]); }
            continue; 
        }
        else { 
            els = []; 
            for (j = 0; nodeList[j]; j++) {
                list = nodeList[j].getElementsByTagName(tokens[i]);
                for (k = 0; list[k]; k++) { els.push(list[k]); }
            }
            nodeList = els;
        }
    }
    return nodeList;
}

function dw_getElementsByClassName(sClass, sTag, oCont) {
    var result = [], list, i;
    oCont = oCont? oCont: document;
    if ( document.getElementsByTagName ) {
        if ( !sTag || sTag == "*" ) {
            list = oCont.all? oCont.all: oCont.getElementsByTagName("*");
        } 
        else list = oCont.getElementsByTagName(sTag);
    
    for (i=0; list[i]; i++) 
    if ( list[i].className.match( new RegExp("\\b" + sClass + "\\b", "i") ) ) result.push( list[i] );
    }
    return result;
}

if (!Array.prototype.push) {
	Array.prototype.push =  function() {
		for (var i=0; arguments[i]; i++) this[this.length] = arguments[i];
		return this.length;
	}
}