var oChaser = {
	topMargin	: 0,
	callRate	: 35,
	maxDiff		: document.all ? document.body.clientHeight : window.innerHeight,
	isIE		: document.all ? true : false,
	chaserDiv	: document[document.all ? "all" : "layers"]["myChaser"]
}
window.setInterval("oChaser.main( )", oChaser.callRate)
oChaser.main = function( )
{
	this.currentY	= this.isIE ? this.chaserDiv.style.pixelTop : this.chaserDiv.top
	this.scrollTop	= this.isIE ? document.body.scrollTop : window.pageYOffset
	var newTargetY	= this.scrollTop + this.topMargin
	
	if ( this.isIE )this.chaserDiv.style.pixelTop = this.scrollTop
	else			this.chaserDiv.top = this.scrollTop
}