function valitaust(varv,clas,url)
	{
		if (varv == 'punane')
			{
				//#main_td_1
				//#main_td_3
				if (clas == 'main_td_1_1')
					{
						vasak = document.getElementById('main_td_1_1');
						parem = document.getElementById('main_td_3_1');
						vasak.className = 'main_td_1';
						parem.className = 'main_td_3';
					}
				else
					{
						vasak = document.getElementById('main_td_1');
						parem = document.getElementById('main_td_3');
						vasak.className = 'main_td_1';
						parem.className = 'main_td_3';
					}
				document.body.style.backgroundImage = 'url(http://kodu2.almic.ee/lastetugi.ee/img/web/new-0.png)';

				var XMLHttpRequestObject;
				if (window.XMLHttpRequest) 
					{
						XMLHttpRequestObject = new XMLHttpRequest();
					}
				else if (window.ActiveXObject) 
					{
						XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
					}
				if(XMLHttpRequestObject) 
					{
						XMLHttpRequestObject.open("POST", url+"valitaust.php", false);
						XMLHttpRequestObject.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
						XMLHttpRequestObject.send('taust=punane');
					}
			}
		if (varv == 'kollane')
			{
				//#main_td_1_1
				//#main_td_3_1
				if (clas == 'main_td_1_1')
					{
						vasak = document.getElementById('main_td_1_1');
						parem = document.getElementById('main_td_3_1');
						vasak.className = 'main_td_1_1';
						parem.className = 'main_td_3_1';
					}
				else
					{
						vasak = document.getElementById('main_td_1');
						parem = document.getElementById('main_td_3');
						vasak.className = 'main_td_1_1';
						parem.className = 'main_td_3_1';
					}
				
				document.body.style.backgroundImage = 'url(http://kodu2.almic.ee/lastetugi.ee/img/web/new-0-1.png)';
				
				var XMLHttpRequestObject;
				if (window.XMLHttpRequest) 
					{
						XMLHttpRequestObject = new XMLHttpRequest();
					}
				else if (window.ActiveXObject) 
					{
						XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
					}
				if(XMLHttpRequestObject) 
					{
						XMLHttpRequestObject.open("POST", url+"valitaust.php", false);
						XMLHttpRequestObject.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
						XMLHttpRequestObject.send('taust=kollane');
					}
			}
	}