var indx		= 1;
var delay		= 3000;
var logomode	= false;
var down		= true;
var logotop;
var objDiv1;
var objDiv2;
var objDiv3;
var objLogo;



function MainLoop()
{
	if ( logomode ) {

		objLogo.style.visibility = "visible";

		if ( down ) {
			logotop += 5;
			if ( logotop > 0 ) {
				down = false;
				indx ++;
				if ( indx > 3 ) {
					indx = 1;
				}
				objDiv1.style.visibility = indx == 1 ? "visible" : "hidden";
				objDiv2.style.visibility = indx == 2 ? "visible" : "hidden";
				objDiv3.style.visibility = indx == 3 ? "visible" : "hidden";
				delay = 2000;
			}
			else {
				delay = 10;
				objLogo.style.top = logotop + "px";
			}
		}
		else {
			delay = 10;
			logotop -= 5;
			if ( logotop < -235 ) {

				down = true;
				logomode = false;
				delay = 3000;
				objLogo.style.visibility = "hidden";
			}
			else {
				delay = 10;
				objLogo.style.top = logotop + "px";
			}
		}

	}
	else {

		logomode = true;
		logotop = -235;

	}

	setTimeout( "MainLoop()", delay );
}



function Init()
{
	objDiv1	= document.getElementById('Div1');
	objDiv2	= document.getElementById('Div2');
	objDiv3	= document.getElementById('Div3');
	objLogo = document.getElementById('DivLogo');

	MainLoop();
}