var topMargin = 92
var	slideTime = 1200
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);
function floatObject() {
		window.setInterval("main()", 10);
		if (ns4 || ns6) {
			findHt = window.innerHeight;
		} else if(ie4) {
			findHt = document.body.clientHeight;
		}
}
function main() {
	if (ns4) {
		this.currentY = document.floatMenu.top;
		this.scrollTop = window.pageYOffset;
		mainTrigger();
	} else if(ns6) {
		this.currentY = parseInt(document.getElementById('floatMenu').style.top);
		this.scrollTop = scrollY;
		mainTrigger();
	} else if(ie4) {
		this.currentY = floatMenu.style.pixelTop;
		this.scrollTop = document.body.scrollTop;
		mainTrigger();
	}
}
function mainTrigger() {
	var newTargetY	= this.scrollTop + this.topMargin
	if ( this.currentY != newTargetY ) {
		if ( newTargetY != this.targetY ) {
			this.targetY = newTargetY
			floatStart();
		}
		animator();
	}
}
function floatStart() {
	var now = new Date()
	this.A = this.targetY - this.currentY
	this.B = Math.PI / ( 2 * this.slideTime )
	this.C = now.getTime()
	if (Math.abs(this.A) > this.findHt) {
		this.D = this.A > 0 ? this.targetY - this.findHt : this.targetY + this.findHt
		this.A = this.A > 0 ? this.findHt : -this.findHt
	} else {
		this.D = this.currentY
	}
}
function animator() {
	var now = new Date()
	var newY = this.A * Math.sin( this.B * ( now.getTime() - this.C ) ) + this.D
	newY = Math.round(newY)
	if (( this.A > 0 && newY > this.currentY ) || ( this.A < 0 && newY < this.currentY )) {
	if ( ie4 )floatMenu.style.pixelTop = newY 
	if ( ns4 )document.floatLayer.top = newY
	if ( ns6 )document.getElementById('floatMenu').style.top = newY + "px"
	}
}