var byId=function(id) {
	return document.getElementById(id);
}
var byClass=function(cn) {
	var arr = new Array(); 
	var els = document.getElementsByTagName("*");
	var exp= new RegExp("^(.* )?"+cn+"( .*)?$", "g");
	for (var i = 0; i < els.length; i++ ){
	if (exp.test(els[i].className)){
		arr.push(els[i]);
	}
	}
	return arr;
}
 dojo.require("dojo.fx");
 
var pobrane=Array();
var openSection=function(id,ulClassName,imgClassName,urlString,title) {

	document.title=title+' :CeeIndustrial';
	
	var images=byClass(imgClassName);
	for(var c=0,count=images.length;c<count;c++) {
		if(images[c].src!='/public/images/graph/site/li.tree.none.gif'){
		images[c].src='/public/images/graph/site/li.tree.open.gif';
		}
	}
	
	var toOpen=byId(id+'img');
	toOpen.src='/public/images/graph/site/li.tree.close.gif';
	
	var list=byClass(ulClassName);
	for(var c=0,count=list.length;c<count;c++) {
		list[c].style.display='none';
	}
	
	var toOpen=byId(id);
	toOpen.style.display='block';
	
	if(pobrane[id]=='tak') {
		//juz pobrano -tylko wyswietlenie
	}
	else {
		
		pobrane[id]='tak';
		dojo.xhrGet( {
	        url: urlString,
	        handleAs: "text",
	        load: function(responseObject, ioArgs) {
	        	 toOpen.innerHTML=responseObject;
	          return responseObject;
	        }
		});
	}
}