var preloadFlag = false;
	
	function newImage(arg) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}

	function preloadImages() {
		if (document.images) {
			pic1 = newImage("img/01.jpg");
			pic2 = newImage("img/02.jpg");
			pic3 = newImage("img/03.jpg");
			pic4 = newImage("img/04.jpg");
			pic5 = newImage("img/05.jpg");
			preloadFlag = true;
			nextpic(1);
		}
	}
	function nextpic(i){
		if (i == 7)
			next = 7
		else
			next = i + 1;
		mypic = null;
		switch (i){
			case 1: mypic = pic1; timeout = 2*1000; break;
			case 2: mypic = pic2; timeout = 2*1000; break;
			case 3: mypic = pic3; timeout = 2*1000; break;
			case 4: mypic = pic2; timeout = 2*1200; break;
			case 5: mypic = pic4; timeout = 1*1000; break;
			case 6: mypic = pic2; timeout = 2*1500; break;
			case 7: mypic = pic5; timeout = 2*1000; break;
		}
		document.getElementById("chat").src = mypic.src;
		setTimeout('nextpic('+ next +')', timeout);
	}