// JavaScript Document

var pix = 0;
var inner_pix = 0;
var inner_dir = 1;
var lauf;
var minpx = 4;
var maxpx = 28;

function startScrolling(){
	lauf = setInterval("scrollBubbles()",40);
}

function setBounds(){
		minpx = getRandom(4, inner_pix);
		maxpx = getRandom(inner_pix, 28);
}

function scrollBubbles(){
		p = pix * -1;
		document.getElementById('zitate_full').style.marginTop = p+"px";
		/*if(p%2){
			
			if(inner_pix<maxpx && inner_dir == 1){
				inner_pix++;
			}
			if(inner_pix==maxpx){
				inner_pix--;
				inner_dir = -1;
			}
			if(inner_pix>minpx && inner_dir == -1){
				inner_pix--;
			}
			if(inner_pix==minpx){
				inner_pix++;
				inner_dir = 1;
			}
			
			document.getElementById('zitate_full').style.marginLeft = inner_pix+"px";
		}*/
		pix = pix+1;
		
		
		
		//Einkommentieren, wenn unregelmässige Bounds erwünscht
		//if(pix%30==0)
			//setBounds();
			
		
		
		if(pix>7000)
			pix = 100;
			
}

//Liefert eine ZUfallszahl zwischen "von" und "bis" zurück
function getRandom(von, bis){
	if(von>bis){
		temp = von;
		von = bis;
		bis = temp;
	}
	if(von == bis)
		return von;

	return( von + parseInt( Math.random() * ( bis-von+1 ) ) );
}