/* Fadein script
 *
 * Marc Johnson, September 2011
 */
 

/*
 * Fades-in page when elements are loaded.
 */
$(document).ready(function(){
	$('body').css("display", "none");
	$('body').fadeIn(500);
});


/*
 * Fades-in subject item
 */
var fadeEffect=function(){
    return{
        init:function(id, flag, target){
            this.elem = document.getElementById(id);
            clearInterval(this.elem.si);
            this.target = target ? target : flag ? 100 : 0;
            this.flag = flag || -1;
            this.alpha = this.elem.style.opacity ? parseFloat(this.elem.style.opacity) * 100 : 0;
            this.si = setInterval(function(){fadeEffect.tween()}, 20);
        },
        tween:function(){
            if(this.alpha == this.target){
                clearInterval(this.elem.si);
            }else{
                var value = Math.round(this.alpha + ((this.target - this.alpha) * .05)) + (1 * this.flag);
                this.elem.style.opacity = value / 100;
                this.elem.style.filter = 'alpha(opacity=' + value + ')';
                this.alpha = value
            }
        }
    }
}();