function ob(url) {
 var opt,winname=ob.arguments.length>1?ob.arguments[1]:"_blank";
 if(ob.arguments.length>2)opt=ob.arguments[2];
 else {
 w=Math.round(window.screen.availWidth*0.9);h=Math.round(window.screen.availHeight*0.9);
 if(w>1400)w=1400;if(h>900)h=900;
 opt=new Array();
 opt.push("width="+w);opt.push("height="+h);
 opt.push("left="+Math.round((window.screen.availWidth-w)*0.5));
 opt.push("top="+Math.round((window.screen.availHeight-h)*0.3));
 opt.push("resizable=yes");
 opt=opt.join(",");
 }
 var w=window.open(url,winname,opt);
 return false;
}