function ShowAdTran(adNum, timeNum, adtype) { 
	ShowAdTran(adNum, timeNum, adtype, 1);
}
function ShowAdTran(adNum, timeNum, adtype, thisFlash) { 												
		var fnum,tnum,comCode;										
		fnum = adNum;																	
		tnum = timeNum;		
		tranId = thisFlash;																											
		if (tranId <= fnum) {																						  										
			for(i=1;i<=adNum;i++) {														
				document.getElementById('ad'+adtype+'-'+i).style.display = 'none';					
			}																			
			document.getElementById('ad'+adtype+'-'+tranId).style.display = '';					
			tranId++;																			
		} else {
			tranId = 1;			
		}						
		comCode = "ShowAdTran("+fnum+","+tnum+",'"+adtype+"',"+tranId+")";		
		setTimeout(comCode,tnum);													
}