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周界防范方案

) functionjsfx_floattopdiv() { varstartx=screen.width160, starty=240; varns=(navigator.appname.indexof(netscape)!=1); vard=document; functionml(id) { varel=d.getelementbyid d.getelementbyid(id):d.all d.all[id]:d.layers[id]; if(d.layers)el.style=el; el.sp=function(x,y){this.style.left=x;this.style.top=y;}; el.x=startx; if(verticalpos==fromtop) el.y=starty; else{ el.y=ns pageyoffset+innerheight:document.body.scrolltop+document.body.clientheight; el.y=starty; } returnel; } window.staytopleft=function() { if(verticalpos==fromtop){ varpy=ns pageyoffset:document.body.scrolltop; ftlobj.y+=(py+startyftlobj.y)/8; } else{ varpy=ns pageyoffset+innerheight:document.body.scrolltop+document.body.clientheight; ftlobj.y+=(pystartyftlobj.y)/8; } ftlobj.sp(ftlobj.x,ftlobj.y); settimeout(staytopleft(),10); } ftlobj=ml(divstaytopleft); staytopleft(); } jsfx_floattopdiv();

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