function myTextSize(chgsize) {
	if (!document.documentElement || !document.body ) return;
	var newSize = 100;
	var startSize = parseInt(getTextSize());
	if (!startSize || startSize < 100) startSize = 100;
	if (startSize > 120) startSize = 120;
	switch (chgsize) {
		case "incr":
			newSize = startSize + 5;
			break;
		case "decr":
			newSize = startSize - 5;
			break;
		case "reset":
			newSize = 100;
			break;
		default:
			newSize = parseInt(myGetCookie("my-textsize"));
			
			if (!newSize) newSize = startSize;
			break;
	}
	if (newSize < 100) newSize = 100;
	newSize += "%";

switch (chgsize) {
		case "incr":		
			mySetCookie("my-textsize",newSize,365);
			break;
		case "decr":
			mySetCookie("my-textsize",newSize,365);
			break;
		case "reset":
			mySetCookie("my-textsize",newSize,-365);
			break;
		default:
			break;
	}
////IF cookie does not exist do not change text size
var AllCookies = document.cookie;
var pos = AllCookies.indexOf("my-textsize=");

if (pos != -1
){

///
cEl = document.getElementsByTagName( 'body' )[ 0 ];
var tgs = new Array( 'tr','td','li','a','h2','p');
	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = newSize;
	}
///

	document.documentElement.style.fontSize = newSize;
	document.body.style.fontSize = newSize;

	//document.table.style.fontSize = newSize;
	//changetxt.style.fontSize = newSize;
	}
}

function getTextSize() {
	if (!document.body) return 0;
	var size = 0;
	var body = document.body;
	if (body.style && body.style.fontSize) {
		size = body.style.fontSize;
	} else if (typeof(getComputedStyle) != "undefined") {
		size = getComputedStyle(body,'').getPropertyValue("font-size");
	} else if (body.currentStyle) {
		size = body.currentStyle.fontSize;
	}
	return size;
}

function mySetCookie(name,value,days) {
	var cookie = name + "=" + value + ";";
	if (days) {
		var myDate=new Date();
		myDate.setTime(myDate.getTime()+(days*24*60*60*1000));
		cookie += " expires=" + myDate.toGMTString() + ";";
	}
	cookie += " path=/";
	document.cookie = cookie;
}

function myGetCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(";");
	for(var i = 0; i < ca.length; i++) {
		var c = ca[i];
		while (c.charAt(0) == " ") c = c.substring(1, c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return;
}

function init() {
	myTextSize();
	return;
}

window.onload=init;