function XHConn(sURL, sMethod, sVars, fnDone) {
	if (sURL) {
		var selfobj=new XHConn();
		selfobj.connect(sURL, sMethod, sVars, fnDone);
		return;
	}
	var xmlhttp, bComplete = false;
	this.init = function() {
		var tmpxmlhttp;
		try { tmpxmlhttp = new XMLHttpRequest(); }
		catch (e) { try { tmpxmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
		catch (e) { try { tmpxmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
		catch (e) { tmpxmlhttp = false; }}}
		return tmpxmlhttp;
	}
	xmlhttp=this.init();
	if (!xmlhttp) return null;

	this.connect = function(sURL, sMethod, sVars, fnDone) {
		if (!xmlhttp) {xmlhttp=this.init();}
		if (!xmlhttp) return false;
		bComplete = false;
		if (!sMethod) {sMethod='GET';}
		sMethod = sMethod.toUpperCase();
		if (typeof sVars == 'object') {
			var objvars=sVars;
			sVars=[];
			for (var i in objvars) {sVars.push(i+'='+encodeURIComponent(objvars[i]));}
			sVars=sVars.join('&');
		}
		try {
			if (sMethod == "GET") {
				xmlhttp.open(sMethod, sURL+(sVars!=''?'?'+sVars:''), true);
				sVars = "";
			} else {
				xmlhttp.open(sMethod, sURL, true);
				xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
				xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
			}
			xmlhttp.onreadystatechange = function() {if ((xmlhttp.readyState==4||xmlhttp.readyState=='complete') && !bComplete) {
				bComplete = true;
				if ((fnDone!='') && (typeof fnDone == 'string')) {
					document.getElementById(fnDone).innerHTML=xmlhttp.responseText;
					var els=document.getElementById(fnDone).getElementsByTagName('script');
					for (var i=0;i<els.length;i++) setTimeout(els[i].text.replace(/^\s*<!--/,'').replace(/-->\s*$/,''),100);
				}
				else if (fnDone) fnDone(xmlhttp.responseText);
			}};
			xmlhttp.send(sVars);
		}
		catch(z) {return false;}
		return true;
	};
}

function $id(id) {
	return document.getElementById(id);
}

function ani_bg(el,fadefrom,fadeto) {
	if (this==window) {var newobj=new ani_bg(el);return false;}
	this.el=el;
	this.step=function () {
		this.el.style.background
	}
}

function auction_update(getbidders,bid_update_ids_opt) {
	if (!bid_update_ids_opt) bid_update_ids_opt=bid_update_ids;
	XHConn(window.siteurl+'?p=ajax_updateauctions&ids='+bid_update_ids_opt+(getbidders?'&bidders=1':''),'GET',null,function (text) {
		if (text=='') return false;
		var obj;
		var TOTS;
		eval('obj='+text);
		$id('tP2').innerHTML=TOTS;
		for (id in obj) {
			if (obj[id].time && $id('bid_'+id+'_time')) $id('bid_'+id+'_time').innerHTML=obj[id].time;
			if (obj[id].price) if ($id('bid_'+id+'_price').innerHTML!=obj[id].price) {
				$id('bid_'+id+'_price').innerHTML=obj[id].price;
				colorFade('bid_'+id+'_price','background','FFFFFF','FFEC1F',25,20,function() {
					colorFade('bid_'+id+'_price','background','FFEC1F','FFFFFF',25,20);
				});
			}
			if (obj[id].lastbid && $id('bid_'+id+'_lastbid')) $id('bid_'+id+'_lastbid').innerHTML=obj[id].lastbid;
			if (obj[id].bidders && $id('bid_'+id+'_bidders')) $id('bid_'+id+'_bidders').innerHTML=obj[id].bidders;
		}
	});
	setTimeout(function(){auction_update(getbidders,bid_update_ids_opt);},1000);
}

function auction_bid(id) {
	if (!window.loggedin) {alerta(Trebuie_sa_fiti_logat_pentru_a_licita,300,50);return false;}
	XHConn(window.siteurl+'?p=ajax_bidauction&id='+id,'GET',null,function (text) {
		if (!text.match(/^SUCCESS/) && text!='') {alerta(text,300,50);}
		else {
			text=text.replace(/^SUCCESS/,'');
			var json;
			eval('json='+text);
			if (json.credits) {$id('user_credits').innerHTML=json.credits;}
		}
	});
}

// COLOR FADER
// main function to process the fade request //
function colorFade(id,element,start,end,steps,speed,oncomplete) {
  var startrgb,endrgb,er,eg,eb,step,rint,gint,bint,step;
  var target = document.getElementById(id);
  steps = steps || 20;
  speed = speed || 20;
  clearInterval(target.timer);
  endrgb = colorConv(end);
  er = endrgb[0];
  eg = endrgb[1];
  eb = endrgb[2];
  if(!target.r) {
    startrgb = colorConv(start);
    r = startrgb[0];
    g = startrgb[1];
    b = startrgb[2];
    target.r = r;
    target.g = g;
    target.b = b;
  }
  rint = Math.round(Math.abs(target.r-er)/steps);
  gint = Math.round(Math.abs(target.g-eg)/steps);
  bint = Math.round(Math.abs(target.b-eb)/steps);
  if(rint == 0) { rint = 1 }
  if(gint == 0) { gint = 1 }
  if(bint == 0) { bint = 1 }
  target.step = 1;
  target.timer = setInterval( function() { animateColor(id,element,steps,er,eg,eb,rint,gint,bint,oncomplete) }, speed);
}
function animateColor(id,element,steps,er,eg,eb,rint,gint,bint,oncomplete) {
  var target = document.getElementById(id);
  var color;
  if(target.step <= steps) {
    var r = target.r;
    var g = target.g;
    var b = target.b;
    if(r >= er) {
      r = r - rint;
    } else {
      r = parseInt(r) + parseInt(rint);
    }
    if(g >= eg) {
      g = g - gint;
    } else {
      g = parseInt(g) + parseInt(gint);
    }
    if(b >= eb) {
      b = b - bint;
    } else {
      b = parseInt(b) + parseInt(bint);
    }
    color = 'rgb(' + r + ',' + g + ',' + b + ')';
    if(element == 'background') {
      target.style.backgroundColor = color;
    } else if(element == 'border') {
      target.style.borderColor = color;
    } else {
      target.style.color = color;
    }
    target.r = r;
    target.g = g;
    target.b = b;
    target.step = target.step + 1;
  } else {
    clearInterval(target.timer);
    color = 'rgb(' + er + ',' + eg + ',' + eb + ')';
    if(element == 'background') {
      target.style.backgroundColor = color;
    } else if(element == 'border') {
      target.style.borderColor = color;
    } else {
      target.style.color = color;
    }
    if (oncomplete) {
    	oncomplete();
    }
  }
}
function colorConv(color) {
  var rgb = [parseInt(color.substring(0,2),16), 
    parseInt(color.substring(2,4),16), 
    parseInt(color.substring(4,6),16)];
  return rgb;
}