function anchorScroller(el, duration) {
        if (this.criticalSection) {
                return false;
        }
        
        if (typeof el != 'string')
			if ((typeof el != 'object') || (typeof el.href != 'string'))
					return true;
        if (typeof el == 'string')
			if(el.indexOf('#') != 0)
				return true;
				
        if (typeof el == 'object')
			var address = el.href.split('#');

		if (typeof el == 'string')
			var address = el.split('#');
		
		if (address.length < 2)
				return true;
        
        address = address[address.length-1];
        el = 0;
        
        for (var i=0; i<document.anchors.length; i++) {
                if (document.anchors[i].name == address) {
                        el = document.anchors[i];
                        break;
                }
        }
        if (el === 0)
                return true;
                
        this.stopX = 0;
        this.stopY = 0;
        do {
                this.stopX += el.offsetLeft;
                this.stopY += el.offsetTop;
        } while (el = el.offsetParent);
        
        this.startX = document.documentElement.scrollLeft || window.pageXOffset || document.body.scrollLeft;
        this.startY = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop;
        
        this.stopX = this.stopX - this.startX;
        this.stopY = this.stopY - this.startY;
        
        if ( (this.stopX == 0) && (this.stopY == 0) )
                return false;
        
        this.criticalSection = true;
        if (typeof duration == 'undefined')
                this.duration = 1000;
        else
                this.duration = duration;
                        
        var date = new Date();
        this.start = date.getTime();
        this.timer = setInterval(function () {  
                var date = new Date();
                var X = (date.getTime() - this.start) / this.duration;
                if (X > 1)
                        X = 1;
                var Y = ((-Math.cos(X*Math.PI)/2) + 0.5);
                
                cX = Math.round(this.startX + this.stopX*Y);
                cY = Math.round(this.startY + this.stopY*Y);
                
                document.documentElement.scrollLeft = cX;
                document.documentElement.scrollTop = cY;
                document.body.scrollLeft = cX;
                document.body.scrollTop = cY;
                
                if (X == 1) {
                        clearInterval(this.timer);
                        this.criticalSection = false;
                }
        }, 10);
        return false;
}