/*------------------------------------------------------------
Document Text Sizer- Copyright 2003 - Taewook Kang.  All rights reserved.
Coded by: Taewook Kang (txkang.REMOVETHIS@hotmail.com)
Web Site: http://txkang.com
Script featured on Dynamic Drive (http://www.dynamicdrive.com)
	
Please retain this copyright notice in the script.
License is granted to user to reuse this code on 
their own website if, and only if, 
this entire copyright notice is included.
--------------------------------------------------------------*/

//Specify affected tags. Add or remove from list:
var tgs = new Array('div', 'td', 'tr');

//Specify spectrum of different font sizes:
var szs = new Array('xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large');
var startSz = 2;
var startEmPx = 12;

function ts(trgt, inc) {
    if (!document.getElementById) return
    var d = document, cEl = null, sz = startSz, i, j, cTags;

    sz += inc;
    if (sz < 0) sz = 0;
    if (sz > 6) sz = 6;
    startSz = sz;

    if (!(cEl = d.getElementById(trgt))) cEl = d.getElementsByTagName(trgt)[0];

    cEl.style.fontSize = szs[sz];

    for (i = 0; i < tgs.length; i++) {
        cTags = cEl.getElementsByTagName(tgs[i]);
        for (j = 0; j < cTags.length; j++) cTags[j].style.fontSize = szs[sz];
    }
}

function currentsize() {
    alert(document.body.style.fontSize);
}

function setsize(inc) {

    var sz = startEmPx
    sz += inc;

    if (sz < 6) sz = 6;
    if (sz > 18) sz = 18;

    startEmPx = sz;

    var convertedEm = (sz * .0625);

    document.body.style.fontSize = convertedEm + 'em';
        
}

function setsizetest(inc) {

    if (!document.getElementById) return
    var d = document, cEl = null, i, j, cTags;
    var trgt = 'body';

    var sz = startEmPx
    sz += inc;

    if (sz < 6) sz = 6;
    if (sz > 18) sz = 18;

    startEmPx = sz;
    var convertedEm = (sz * .0625);

    if (!(cEl = d.getElementById(trgt))) cEl = d.getElementsByTagName(trgt)[0];

    cEl.style.fontSize = convertedEm + 'em';

    for (i = 0; i < tgs.length; i++) {
        cTags = cEl.getElementsByTagName(tgs[i]);
        for (j = 0; j < cTags.length; j++) cTags[j].style.fontSize = convertedEm + 'em';
    }


}


function normalText() {
    if (!document.getElementById) return
    var d = document, cEl = null, sz = startSz, i, j, cTags;


    sz = 12;
    startEmPx = sz;
    var convertedEm = (sz * .0625);

    document.body.style.fontSize = convertedEm + 'em';

//    if (!(cEl = d.getElementById(trgt))) cEl = d.getElementsByTagName(trgt)[0];

//    cEl.style.fontSize = szs[sz];

//    for (i = 0; i < tgs.length; i++) {
//        cTags = cEl.getElementsByTagName(tgs[i]);
//        for (j = 0; j < cTags.length; j++) cTags[j].style.fontSize = convertedEm + 'em';
//    }
}