var incdec = 0;
var headID = document.getElementsByTagName("head")[0];
var cssNode = document.createElement("style");
cssNode.type = 'text/css';
cssNode.id="resizingText";

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

function readCookie(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 null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function loadCss(x){
	try{
		var cssStr = '\
		#resizetekst {font-size:' + (10+x) +'px;}\
		';
		if(cssNode.styleSheet){
			cssNode.styleSheet.cssText = cssStr; 
		} else {
			var cssText = document.createTextNode(cssStr);
			cssNode.appendChild(cssText);
		}
		if(!document.getElementById("resizingText"))headID.appendChild(cssNode);
		
		var cssStr = '\
		a {font-size:' + (10+x) +'px;}\
		';
		if(cssNode.styleSheet){
			cssNode.styleSheet.cssText = cssStr; 
		} else {
			var cssText = document.createTextNode(cssStr);
			cssNode.appendChild(cssText);
		}
		var cssStr = '\
		a:hover {font-size:' + (10+x) +'px;}\
		';
		if(cssNode.styleSheet){
			cssNode.styleSheet.cssText = cssStr; 
		} else {
			var cssText = document.createTextNode(cssStr);
			cssNode.appendChild(cssText);
		}
		var cssStr = '\
		a:active {font-size:' + (10+x) +'px;}\
		';
		if(cssNode.styleSheet){
			cssNode.styleSheet.cssText = cssStr; 
		} else {
			var cssText = document.createTextNode(cssStr);
			cssNode.appendChild(cssText);
		}
		var cssStr = '\
		a:visited {font-size:' + (10+x) +'px;}\
		';
		if(cssNode.styleSheet){
			cssNode.styleSheet.cssText = cssStr; 
		} else {
			var cssText = document.createTextNode(cssStr);
			cssNode.appendChild(cssText);
		}
		if(!document.getElementById("resizingText"))headID.appendChild(cssNode);
	}catch(err){ 
	}
}

function increaseFontSize() {

	incdec = 5;
	loadCss(incdec);
	createCookie('textsize',incdec,1); 
	document.getElementById('increase').innerHTML = '<span style="font-size: 17px;">A</a>';
	document.getElementById('normal').innerHTML = '<a href="javascript:normalFontSize()"style="font-size: 14px;">A</a></a>';
	document.getElementById('decrease').innerHTML = '<a href="javascript:decreaseFontSize()" style="font-size: 11px;">A</a>';
}

function normalFontSize()
{
	incdec = 4;
	loadCss(incdec);
	createCookie('textsize',incdec,1); 
	document.getElementById('increase').innerHTML = '<a href="javascript:increaseFontSize()"  style="font-size: 17px;">A</a>';
	document.getElementById('decrease').innerHTML = '<a href="javascript:decreaseFontSize()" style="font-size: 11px;">A</a>';
	document.getElementById('normal').innerHTML = '<span style="font-size: 14px;">A</a>';


}

function decreaseFontSize() {
	incdec = 3;
	loadCss(incdec);
	createCookie('textsize',incdec,1); 	
	document.getElementById('decrease').innerHTML = '<span style="font-size: 11px;">A</a>';
	document.getElementById('normal').innerHTML = '<a href="javascript:normalFontSize()"style="font-size: 14px;">A</a></a>';
	document.getElementById('increase').innerHTML = '<a href="javascript:increaseFontSize()"  style="font-size: 17px;">A</a>';

}

function parseLetters()
{
	var x = readCookie('textsize')
	//alert(x);
	if (x && x!=0) 
	{
		x = parseInt(x);
		
		if(x == 5)
			document.getElementById('increase').innerHTML = '<span style="font-size: 17px;">A</a>'
		else if(x == 4)
			document.getElementById('normal').innerHTML = '<span style="font-size: 14px;">A</a>';
		else if(x == 3)
			document.getElementById('decrease').innerHTML = '<span style="font-size: 11px;">A</a>';
			
	}
	else
	{
		document.getElementById('decrease').innerHTML = '<span style="font-size: 11px;">A</a>';
	}
	
}

var x = readCookie('textsize')
if (x && x!=0) {
	x = parseInt(x);
	incdec = x;
	loadCss(x);
}