var nummin = 0;
var num = 1;
var nummax = 2;




function down()
{

	for(i=0; i<img.length; i++) img[i].style.zIndex = 0;

	nummin = nummin > 0 ? nummin-1 : img.length - 1;
	num = num > 0 ? num-1 : img.length - 1;
	nummax = nummax > 0 ? nummax-1 : img.length - 1;


	img[nummin].style.top = 70;

	img[nummin].style.width = 150;

	img[nummin].style.height = 150;

	img[nummin].style.zIndex = 1;

	img[nummin].style.marginLeft = 70;

	img[nummin].style.border = '2px solid #f80';

//


	img[num].style.top = 165;

	img[num].style.width = 185;

	img[num].style.height = 185;

	img[num].style.border = 0;

	img[num].style.zIndex = 3;

	img[num].style.marginLeft = 52;


//

	img[nummax].style.top = 270;

	img[nummax].style.width = 150;

	img[nummax].style.height = 150;

	img[nummax].style.zIndex = 1;

	img[nummax].style.marginLeft = 70;

	img[nummax].style.border = '2px solid #f80';


}


function up()
{

	nummin = nummin < (img.length - 1) ? nummin+1 : 0;
	num = num < (img.length - 1) ? num+1 : 0;
	nummax = nummax < (img.length - 1) ? nummax+1 : 0;


	img[nummin].style.top = 70;

	img[nummin].style.width = 150;

	img[nummin].style.height = 150;

	img[nummin].style.zIndex = 1;

	img[nummin].style.marginLeft = 70;

	img[nummin].style.border = '2px solid #f80';

//


	img[num].style.top = 165;

	img[num].style.width = 185;

	img[num].style.height = 185;

	img[num].style.border = 0;

	img[num].style.zIndex = 3;

	img[num].style.marginLeft = 52;

	img[num].onmouseout = function()
	{
		timerID=setInterval('up()', 1500);

	}

	img[num].onmouseover = function()
	{

		clearInterval(timerID);

	}
//

	img[nummax].style.top = 270;

	img[nummax].style.width = 150;

	img[nummax].style.height = 150;

	img[nummax].style.zIndex = 1;

	img[nummax].style.marginLeft = 70;

	img[nummax].style.border = '2px solid #f80';

}



function init()
{

	img = document.getElementById('menu_left').getElementsByTagName('img');

	img[0].style.top = 70;

	img[0].style.marginLeft = 70;
//

	img[1].style.top = 165;

	img[1].style.width = 185;

	img[1].style.height = 185;

	img[1].style.border = 0;

	img[1].style.marginLeft = 52;

	img[1].style.zIndex = 3;

//

	img[3].style.top = 270;

	img[3].style.marginLeft = 70;

	timerID=setInterval('up()', 1500);

}