var bounce_ar = new Array();
var bounce_wid,bounce_hgt;
var bounce_n=0; //#objects
var bounce_on=true;
var bounce_ok=true;
var bounce_start='';
var bounce_stop='';
var bounce_el='';
function bounce_init(obid,bon,bstart,bstop,bspeed) {
    bounce_el=document.getElementById(obid);
    if (!bounce_el) return;
    var obj=bounce_el.parentNode;
    bounce_on=bon=='Y'?true:false;
    bounce_ok=bounce_on;
    bounce_start=bstart;
    bounce_stop=bstop;
    bounce_hgt=obj.clientHeight;
    bounce_wid=obj.clientWidth;
    bounce_zix=1;
    var k=0;
    for (i=0;i<obj.childNodes.length;i++) {
        var me=obj.childNodes[i];
        if (me.nodeType==1 && me.id && me.id!=obid &&
            me.id.substr(0,4)=="WWO_") {
            bounce_ar[bounce_n]=new Array();
            bounce_ar[bounce_n]['el']=me;
            sty=me.currentStyle||document.defaultView.getComputedStyle(me,"");
            me.style.left=sty.left;
            me.style.top=sty.top;
            bounce_ar[bounce_n]['top']=sty.top;
            bounce_ar[bounce_n]['left']=sty.left;
            me.style.zIndex=1;
            me.onmouseover=function(){bounce_on=false;};
            me.onmouseout=function(){if(bounce_ok==true)bounce_on=true;};
            bounce_ar[bounce_n]['ang']=Math.random()*360;
            bounce_n+=1;
            }
        }
    setInterval('bounce_mv()',bspeed);
    }
function bounce_mv() {
    if (bounce_on==true) {
      var r=3; //pixels to move (radius)
      for (i=0;i<bounce_n;i++) {
        x=Math.round(Math.sin(bounce_ar[i]['ang']*Math.PI/180)*r);
        y=Math.round(Math.cos(bounce_ar[i]['ang']*Math.PI/180)*r);
        el=bounce_ar[i]['el'];
        eleft=parseInt(el.style.left)-x;
        etop=parseInt(el.style.top)-y;
        if (etop<0) {
            etop=0;
            bounce_ar[i]['ang']=Math.random()*180+180;
            if(bounce_zix<10000) bounce_zix+=1; else bounce_zix=1;
            el.style.zIndex=bounce_zix;
          //  el.style.zIndex=Math.round(Math.random()*4+1);
            }
        else if (etop+el.clientHeight>=bounce_hgt) {
            etop=bounce_hgt-1-el.clientHeight;
            bounce_ar[i]['ang']=Math.random()*180;
            }
        if (eleft<0) {
            eleft=0;
            bounce_ar[i]['ang']=Math.random()*180+270;
            if (bounce_ar[i]['ang']>=360) bounce_ar[i]['ang']-=360;
            }
        else if (eleft+el.clientWidth>=bounce_wid) {
            eleft=bounce_wid-1-el.clientWidth;
            bounce_ar[i]['ang']=Math.random()*180+90;
            }
        el.style.top=etop+'px';
        el.style.left=eleft+'px';
        }
      }
    }
function bounce_tog() {
    if (bounce_ok==true) {
        bounce_ok=false;
        bounce_on=false;
        for (var i=0;i<bounce_ar.length;i++) {
            var el=bounce_ar[i]['el'];
            el.style.left=bounce_ar[i]['left'];
            el.style.top=bounce_ar[i]['top'];
            }
        }
    else {
        bounce_ok=true;
        bounce_on=true;
        }
    var me=bounce_el.getElementsByTagName('A');
    if (me.length>0) {
        me[0].innerHTML=bounce_ok==true?bounce_stop:bounce_start;
        }
    }
function bounce_start() {
    bounce_on=false;
    bounce_ok=false;
    bounce_tog();
    }
function bounce_stop() {
    bounce_on=true;
    bounce_ok=true;
    bounce_tog();
    }