function popUp(sPageName , iWidth , iHeight , bScrollBars)
{
	window.open(sPageName + ".asp" , sPageName , "scrollbars=" + bScrollBars + ",width=" + iWidth + ",height=" + iHeight + ",resizable=no");
}




function flipImage(sImageName , sFlipTo)
{
	document.images[sImageName].src = "http://www.vnvo.com/images/" + sImageName + "_" + sFlipTo + ".gif"
}




function refreshPage()
{
	document.location = document.location
}




function getRandomNumber(iBeginNum , iEndNum)
{
	iNumberToSend = iBeginNum - 1
	while(iNumberToSend < iBeginNum || iNumberToSend > iEndNum)
	{
		iNumberToSend = iBeginNum + (Math.random() * iEndNum)
	}
		return Math.round(iNumberToSend)
}





function doMailLink(sEmail)
{
	document.location=(encryptString("w{svnu ") + encryptString(sEmail));
}




function encryptString(sStr)
{
	sReturn = ""
	for(i=0;i<sStr.length;i++) 
	{
		sReturn = sReturn + (String.fromCharCode(26^sStr.charCodeAt(i)));
	}
	
	return sReturn

}