function fly_helper(getElementsBy,name) {
    R=0;
    x1=.1;
    y1=.05;
    x2=.25;
    y2=.24;
    x3=1.6;
    y3=.24;
    x4=300;
    y4=200;
    x5=300;
    y5=200;
    if (getElementsBy=='name') {
        DI=document.getElementsByName(name);
    }
    if (getElementsBy=='tagname') {
        DI=document.getElementsByTagName(name);
    }
    DIL=DI.length;
    setInterval('fly()',5);void(o);
}
function fly() {
    for(i=0; i-DIL; i++) {
        DIS=DI[i].style;
        DIS.position='absolute';
        DIS.left=150+(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px";
        DIS.top=25+(Math.sin(R*y1+i*y2+y3)*y4+y5)+"px"
    }
    R++;
}