function chContent(id,stype) 
{
	if (stype == '1')
	{
		if (cindex > 3)
  			cindex=0;
		
  		cindex++;

  		an = window.setTimeout("chContent(cindex,1)", 4000);
	}	
	else
	{
		window.clearTimeout(an);	
	}

	document.getElementById("multimenu1").className = '';
	document.getElementById("multimenu2").className = '';
	document.getElementById("multimenu3").className = '';
	document.getElementById("multimenu4").className = '';
	document.getElementById('multibox_text1').style.visibility = 'hidden';
	document.getElementById('multibox_text2').style.visibility = 'hidden';
	document.getElementById('multibox_text3').style.visibility = 'hidden';
	document.getElementById('multibox_text4').style.visibility = 'hidden';
	document.getElementById('multibox_img1').style.visibility = 'hidden';
	document.getElementById('multibox_img2').style.visibility = 'hidden';
	document.getElementById('multibox_img3').style.visibility = 'hidden';
	document.getElementById('multibox_img4').style.visibility = 'hidden';
	
	//image1 = 'images/img1.png';
	//image2 = 'images/img2.png';
	//image3 = 'images/img3.png';

	if (id == 1) 
	{
		document.getElementById("multimenu1").className = 'active';
		document.getElementById('multibox_text1').style.visibility = 'visible';
		document.getElementById('multibox_img1').style.visibility = 'visible';
	}
	else if (id == 2)
	{
		document.getElementById("multimenu2").className = 'active';
		document.getElementById('multibox_text2').style.visibility = 'visible';
		document.getElementById('multibox_img2').style.visibility = 'visible';
	}
	else if (id == 3)
	{
		document.getElementById("multimenu3").className = 'active';
		document.getElementById('multibox_text3').style.visibility = 'visible';
		document.getElementById('multibox_img3').style.visibility = 'visible';
	}
	else if (id == 4)
	{
		document.getElementById("multimenu4").className = 'active';
		document.getElementById('multibox_text4').style.visibility = 'visible';
		document.getElementById('multibox_img4').style.visibility = 'visible';
	}
}