var idx=1, MaxIdx=5;
	function page_onload()
	{
		idx=Azar(1,MaxIdx);
		infomercial();
		getDocument("elements/footpage.htm","dvfootpage");
	}
	
	function infomercial()
	{
		var lurl="elements/mcpromo"+idx+".htm";
		setTimeout("infomercial()",8000);
		getDocument(lurl,"dvinfomercial");
		idx++;
		
		if(idx>MaxIdx)idx=1;
	}
	
	function nextinfomercial()
	{
		
		var lurl="elements/mcpromo";
		idx++;
		if(idx>MaxIdx)idx=1;
		
		lurl=lurl+idx+".htm";
		getDocument(lurl,"dvinfomercial");
	}
	
	function previousinfomercial()
	{
		
		var lurl="elements/mcpromo";
		idx--;
		if(idx<1)idx=MaxIdx;
		
		lurl=lurl+idx+".htm";
		getDocument(lurl,"dvinfomercial");
	}
	
	function Azar(lmtInfe, lmtSup) 
	{

		return Math.floor(Math.random() * (lmtSup- lmtInfe+1) + lmtInfe);

	}