/* KW-Fader */
/* Author: Sebastian B. Klostermeier */
/* 26.02.2009 */


var end = 30;
var start = 1;
var stepdelay = 20;
var startcolor = new Array(255,255,255);
var endcolor = new Array(0,0,0);
var isKlickable = true;
var locked = false;

function next() {
	if(!locked) {
		locked = true;
		fadeOut();
	}
}

function fadeOut() {
    var newcolor=new Array(3);
    for(var i=0;i<3;i++) {
        diff = (startcolor[i]-endcolor[i]);
        newcolor[i] = startcolor[i]-(Math.round((diff/end))*start);
    }
    start++;
    if(start < end) {
        document.getElementById("content").style.color="rgb("+newcolor[0]+","+newcolor[1]+","+newcolor[2]+")";
        setTimeout("fadeOut()", stepdelay);
    }else{
        changeText();
        setTimeout("fadeIn()", 300);
    }
}

function fadeIn() {
    var newcolor=new Array(3);
    for(var i=0;i<3;i++) {
        diff = (startcolor[i]-endcolor[i]);
        newcolor[i] = startcolor[i]-(Math.round((diff/end))*start);
    }
    start--;
    if(start > 1) {
        document.getElementById("content").style.color="rgb("+newcolor[0]+","+newcolor[1]+","+newcolor[2]+")";
        setTimeout("fadeIn()", stepdelay);
    }else{
		locked = false;
	}
}

function changeText() {
	if(index==gedichte)
		index=0;
    doIt(index++);
}