/*
漂浮窗口
调用FloatDiv99();
*/
var canmove99=1;
var vmin99=2;
var vmax99=5;
var vr99=2;
function Chip99(chipname,width,height){
    this.named=chipname;
    this.vx=vmin99+vmax99*Math.random();
    this.vy=vmin99+vmax99*Math.random();
    this.w=width;
    this.h=height;
    this.xx=0;
    this.yy=0;
    this.timer1=null;
}
function movechip99(chipname){
    if(canmove99==1){  
        chip=varFloatDiv99;  
        pageX=window.document.body.scrollLeft; 
        pageW=window.document.body.offsetWidth-8; 
        pageY=window.document.body.scrollTop; 
        pageH=window.document.body.clientHeight; ; 
        chip.xx=chip.xx+chip.vx;
        chip.yy=chip.yy+chip.vy; 
        chip.vx+=vr99*(Math.random()-0.5);
        chip.vy+=vr99*(Math.random()-0.5);  
        if(chip.vx>(vmax99+vmin99)){	
            chip.vx=(vmax99+vmin99)*1-chip.vx;     
        }  
        if(chip.vx<(-vmax99-vmin99)){     
            chip.vx=(-vmax99-vmin99)*1-chip.vx;
        } 
        if(chip.vy>(vmax99+vmin99)){
            chip.vy=(vmax99+vmin99)*1-chip.vy;  
        }
        if(chip.vy<(-vmax99-vmin99)){    
            chip.vy=(-vmax99-vmin99)*1-chip.vy;
        }
        if(chip.xx<=pageX){   
            chip.xx=pageX;   
            chip.vx=vmin99+vmax99*Math.random();
        }
        if(chip.xx>=pageX+pageW-chip.w){   
            chip.xx=pageX+pageW-chip.w;   
            chip.vx=-vmin99-vmax99*Math.random();
        }
        if(chip.yy<=pageY) {  
            chip.yy=pageY;  
            chip.vy=vmin99+vmax99*Math.random(); 
        }
        if(chip.yy>=pageY+pageH-chip.h){
            chip.yy=pageY+pageH-chip.h; 
            chip.vy=-vmin99-vmax99*Math.random(); 
        }

        document.getElementById(chip.named).style.left=chip.xx + "px";
        document.getElementById(chip.named).style.top=chip.yy + "px";
        
    }
    chip.timer1=setTimeout('movechip99("'+chip.named+'")',100);
}
var varFloatDiv99;
function FloatDiv99(){
    varFloatDiv99 = new Chip99('float_div_99',100,100);
    movechip99('float_div_99');
}

function deleteFloatDiv99(){
    document.getElementById('float_div_99').style.display='none';
}
function floatdivstop99(){	
    canmove99=0;
}
function floatdivstart99(){
    canmove99=1;
}