/*------------------------------------------------------------
	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.
--------------------------------------------------------------*/

function setCookie(name, value, expires) {
document.cookie = name + "=" + escape(value) + "; path=/" + ((expires == null) ? "" : "; expires=" + expires.toGMTString());
} 

function getCookie (name) {
    var dc = document.cookie;
    var cname = name + "=";

    if (dc.length > 0) {
      begin = dc.indexOf(cname);
      if (begin != -1) {
        begin += cname.length;
        end = dc.indexOf(";", begin);
        if (end == -1) end = dc.length;
        return unescape(dc.substring(begin, end));
        }
      }
    return null;
}

function delCookie(name) {
document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
} 
//delCookie("fontSize"); 
//Specify affected tags. Add or remove from list:
var tgs = new Array( 'div','td','tr','p','a');

//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 tgsOriSize = new Array(tgs.length);
var ori = true;

function getStyle(el,styleProp)
{
	//var x = document.getElementById(el);
	var x = el;
	if (x.currentStyle)
		var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
	return y;
}

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 = parseInt(sz);

	if (inc == 0) {
		sz = 2;
		startSz = parseInt(sz);
	}
	delCookie('fontSize');  
	setCookie('fontSize',startSz.toString(), null);

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

	if (ori) {
		for ( i = 0 ; i < tgs.length ; i++ ) {
			cTags = cEl.getElementsByTagName( tgs[ i ] );
			tgsOriSize[i] = new Array(cTags.length);
			for ( j = 0 ; j < cTags.length ; j++ ) {
					tgsOriSize[i][j] = getStyle(cTags[ j ], 'fontSize') != null?getStyle(cTags[ j ], 'fontSize'):getStyle(cTags[ j ], 'font-size');
			}
		}
		ori = false;
	}

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) {
			if (inc == 0 || sz == 2) {
				cTags[ j ].style.fontSize = tgsOriSize[i][j];
			} else {
				cTags[ j ].style.fontSize = szs[ sz ];
			}
		}
	}
}

function ts2(trgt) {
	
		if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	if (getCookie('fontSize') != null && getCookie('fontSize') != 2) {
	sz = parseInt(getCookie('fontSize'));
	//if ( sz < 0 ) sz = 0;
	//if ( sz > 6 ) sz = 6;
	startSz = sz;


	delCookie('fontSize');  
	setCookie('fontSize',startSz.toString(), null);

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

	if (ori) {
		for ( i = 0 ; i < tgs.length ; i++ ) {
			cTags = cEl.getElementsByTagName( tgs[ i ] );
			tgsOriSize[i] = new Array(cTags.length);
			for ( j = 0 ; j < cTags.length ; j++ ) {
					tgsOriSize[i][j] = getStyle(cTags[ j ], 'fontSize') != null?getStyle(cTags[ j ], 'fontSize'):getStyle(cTags[ j ], 'font-size');
			}
		}
		ori = false;
	}

	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 (getCookie('color') != null) {
			changeImage(getCookie('color'));
	}

}

      function changeImage(color) {
		if (color == 'r') {
	        newImage = "url(./images/fon_top03r.gif)";
			bgColor = "#CC3333";
			header = "url(./images/fon_topr.jpg)";
		} else if (color == 'g') {
	        newImage = "url(./images/fon_top03g.gif)";
			bgColor = "#66CC33";
			header = "url(./images/fon_topg.jpg)";
		} else if (color== 'x') {
	        newImage = "url(./images/fon_top03B.gif)";
			bgColor = "#28549E";
			header = "url(./images/fon_top.jpg)";
		} else {
	        newImage = "url(./images/fon_top03A.gif)";
			bgColor = "#28549E";
			header = "url(./images/fon_top.jpg)";
		}
        document.getElementById('jlsheader').style.backgroundImage = header;
        document.getElementById('bodyleft').style.backgroundImage = newImage;
        document.getElementById('bodyright').style.backgroundImage = newImage;
		document.getElementById('bottombar').style.backgroundColor = bgColor;
		document.getElementById('bottombar').style.bkColor = bgColor;
		setCookie('color', color, null);
      }