var topMargin 	= 100
	var slideTime	= 1200
	var ns6 = (!document.all && document.getElementById);
	var ie4 = (document.all);
	var ns4 = (document.layers);
	var ie6 = (document.documentElement);

	var browserType;
	
	var popup_url;
	
	if (document.layers) {browserType = "nn4"}
	if (document.all) {browserType = "ie"}
	if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}
	
	function hide(id_name) {
      document.getElementById('iframe_pop').src = "/javascript/index.htm"; 
	  if (browserType == "gecko" )
		 document.poppedLayer = eval('document.getElementById(\''+id_name+'\')');
	  else if (browserType == "ie")
		 document.poppedLayer = eval('document.all[\''+id_name+'\']');
	  else
		 document.poppedLayer = eval('document.layers[\'`'+id_name+'\']');
	  document.poppedLayer.style.visibility = "hidden";
	}
	
	function show(id_name) {
	  if (browserType == "gecko" )
		 document.poppedLayer = eval('document.getElementById(\''+id_name+'\')');
	  else if (browserType == "ie")
		 document.poppedLayer = eval('document.all[\''+id_name+'\']');
	  else
		 document.poppedLayer = eval('document.layers[\'`'+id_name+'\']');
	  document.poppedLayer.style.visibility = "visible";
	}


	function showPopUp(url_pop,title_pop){
		popup_url = url_pop;
		document.getElementById('iframe_pop').src = url_pop; 
		document.getElementById('span_pop_title').innerHTML = title_pop; 
		show('floatLayer');
		window.setInterval("main()", 10);
	}
	
	function floatObject() { 
		findHt =	(ns6||ns4) ? innerHeight : document.body.clientHeight;
	} 
	
	function main() { 
		if (ns4) { 
			this.currentY 	= document.floatLayer.top; 
			this.scrollTop	= window.pageYOffset;
			mainTrigger();
		} else if(ns6) {
			this.currentY = parseInt(document.getElementById('floatLayer').style.top); 
			this.scrollTop = scrollY;
			mainTrigger(); 
		} else if(ie4) { 
			this.currentY 	= floatLayer.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 )floatLayer.style.pixelTop = newY 
			if ( ns4 )document.floatLayer.top = newY
			if ( ns6 )document.getElementById('floatLayer').style.top = newY + "px" 
		} 
	}