/*------------------------------------------------------------
	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','font','p');

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

function ts(trgt,inc) {
	if(inc == 0){
		return;
	}
	cookie='';
	if(get_cookie('cName')!=inc)
		var cookie = "cName="+inc; 
	
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;

	inc=parseInt(inc);
	
	sz = sz + inc;
	if ( sz <= 0 ) sz = 0;
	if ( sz > 1 ) sz = 1;
	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 ];
	}
	if(cookie){
		document.cookie=cookie;
	}
	return 
}
function refreshPage(linkid){
		document.cookie = "cName="+0;
		var sURL = unescape(window.location.pathname);
		if(linkid > 0)
			sURL += '?linkid='+linkid;
		window.location.href = sURL;
		return;
}

function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = 0;
  
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    // if cookie exists
    if (offset != -1) { 
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset);
      // set index of end of cookie value
      if (end == -1) end = document.cookie.length;
      returnvalue = unescape(document.cookie.substring(offset, end))
      }
   }
  return returnvalue;
}