/*------------------------------------------------------------
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('table', 'tr', 'td', 'div', 'span', 'font');

//Specify spectrum of different font sizes:
var szs = new Array('10px', '11px', '12px', '13px', '14px', '15px', '16px');
var resetSz = 2;
var startSz = 2;

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

    if (inc == 0) {
        sz = resetSz;
    }
    else {
        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];
    }
}

// OLD code
/***********************************************************/
//Specify spectrum of different font sizes:
var szs_hist = new Array('10px', '11px', '12px', '13px', '14px', '15px', '16px', '17px', '18px');
var startSz_hist = 1;

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

    sz = inc;
    if (sz < 0) sz = 0;
    if (sz > 8) sz = 8;
    startSz_hist = sz;

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

    cEl.style.fontSize = szs_hist[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_hist[sz];
    }
}
function ts_dynamic(trgt, inc) {
    if (!document.getElementById) return
    var d = document, cEl = null, sz = startSz_hist, i, j, cTags;

    sz += inc;
    if (sz < 0) sz = 0;
    if (sz > 8) sz = 8;
    startSz_hist = sz;

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

    cEl.style.fontSize = szs_hist[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_hist[sz];
    }
}