/*------------------------------------------------------------
    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.
--------------------------------------------------------------*/
var tgs = new Array('div','body','td');
var szs = new Array( '11px','12px','13px','14px','15px','16px' );
var startSz = 1;

function zoom( 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 > 4 ) sz = 4;
    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 ];
    }
}