var aspeed=40;
var numberOfLines=4; 
var px = bw.ns4||window.opera?"":"px";
var posArray,oZdivs;

function makeObj(obj,speed,xmove,ymove,works){
	this.el=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?document.layers[obj]:0;	
	this.css=bw.dom || bw.ie4?this.el.style:bw.ns4?this.el:0;
	this.moveIt=b_moveIt;
}

function b_moveIt(x) {
	this.x=x; 
	this.css.left=this.x+px;
}

function introInit(){
	oZdivs = new Array();
	for(var i=0; i<numberOfLines; i++){
		oZdivs[i] = new makeObj('line'+(i+1));
		oZdivs[i].direction = Math.round(Math.random());
		oZdivs[i].x = Math.round(Math.random()*48)+1;
		oZdivs[i].direction == 1 ?	oZdivs[i].moveIt(oZdivs[i].x+1) : oZdivs[i].moveIt(oZdivs[i].x-1)
		oZdivs[i].css.visibility = "visible";
		anim(i);
	}
}

function anim(divnum){
	if (true){
		oZdivs[divnum].x >= 49 ? oZdivs[divnum].direction=0 : false;
		oZdivs[divnum].x <= 1 ? oZdivs[divnum].direction=1 : false;
		oZdivs[divnum].direction == 1 ?	oZdivs[divnum].moveIt(oZdivs[divnum].x+1) : oZdivs[divnum].moveIt(oZdivs[divnum].x-1)
		setTimeout("anim("+divnum+")",aspeed);
	}
}