var hImg = new Array();
var idTime;
var iNUM_LOOP	= 30;
var iDELTA_TIME	= 3000;

//window.onload=doRotateImg();

function showImg(oImg)
{
	document.images.imgMain.src=oImg.src
	
}
		
function doRotateImg()
{
		var j=0;
		while(j < iNUM_LOOP)
		{
			for(var i=0; i<hImg.length; i++)
			{
				var iCont= (i+1) + (j *hImg.length);
				var sPath=hImg[i].src;
		 		idTime=window.setTimeout('document.images.imgMain.src="'+sPath+'"', iCont*iDELTA_TIME);
			}	
			j++;	
		}
		window.clearTimeout(idTime);
}