//////////////////////////////////////////////////////////////////////
//
//  Rotation of Image Files
//
//////////////////////////////////////////////////////////////////////
function AdRotator(imgTagNameAttribute, adURLs, adImageURLs, rotationTime,adRotatorVarName) 
{
	this.imgTagNameAttribute = imgTagNameAttribute;
	this.adURLs = adURLs;
	this.adImageURLs = adImageURLs;
	this.rotationTime = rotationTime;
	this.adRotatorVarName = adRotatorVarName;
	this.index = 0;
	this.adImages = new Array(adImageURLs.length);
	for(var i=0; i<adImageURLs.length; ++i);
	{
		this.adImages[i] = new Image();
		this.adImages[i].src = adImageURLs[i];
	}
	this.writeHTML = AdRotator_writeHTML;
	this.start = AdRotator_start;
	this.rotate = AdRotator_rotate;
	this.handleClick = AdRotator_handleClick;
}
//////////////////////////////////////////////////////////////////////
function AdRotator_writeHTML() 
{
	document.write('<p align="center">');
	document.write('<a href="javascript:void(0)" ');
	document.write('onclick="'+this.adRotatorVarName+'.handleClick()">');
	document.write('<img name="'+this.imgTagNameAttribute+'" border="0" ');
	document.write('src="'+this.adImageURLs[0]+'">');
	document.write('</a></p>');
}
//////////////////////////////////////////////////////////////////////
function AdRotator_start() 
{
	window.setInterval(this.adRotatorVarName + '.rotate()', this.rotationTime);
}
//////////////////////////////////////////////////////////////////////
function AdRotator_rotate() 
{
	++this.index;
	this.index %= this.adImageURLs.length;
	//document.images[this.imgTagNameAttribute].src = this.adImages[this.index].src;
	document.images[this.imgTagNameAttribute].src = this.adImageURLs[this.index];
}
//////////////////////////////////////////////////////////////////////
function AdRotator_handleClick() 
{
	setTimeout("window.location.href = '"+this.adURLs[this.index]+"'",500);
}
//////////////////////////////////////////////////////////////////////