function changeImage(element, source) {
	element.src=source;
}

/*function removelistdot(numer) {
var lis = document.getElementsByTagName('li');

for(var a =0; a < lis.length; ++a) {
		if(a != numer-1) {
			lis[a].style.listStyle='none';
			//lis[a].style.listStyleType='none';
		}
	}
}*/


function changeImageById(elem_nr, source) {
	
	changeImage(document.getElementById('projectImage'+elem_nr),source);
}

function changeDot(elem_nr, remove, url) {
	debugger;
	var li_elem = document.getElementById('projectLi'+elem_nr);
	if(remove) {
		li_elem.style.listStyle='none';
	} else {
		if(url) {
		li_elem.style.listStyleImage= "url('"+url+"images/kwadrat.jpg')";
		} else {
		li_elem.style.listStyleImage= "url('images/kwadrat.jpg')";
		}
	}
}



function createCookie(name,value) {
	
		var date = new Date();
		date.setTime(date.getTime()+(3660*24*60*60*1000));
		var expires = "; expires="+date.toGMTString() +";";
	
	
	document.cookie = name+"="+value+expires;
}

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 setLang(name) {
debugger;
	createCookie("lang",name);
	location.reload(true);
	return true;
}