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function getNavWidthandHeightInfo()
{
var s = "";
s += " ÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.clientWidth;
s += " ÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.clientHeight;
s += " ÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.offsetWidth + " (°üÀ¨±ßÏߺ͹ö¶¯ÌõµÄ¿í)";
s += " ÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.offsetHeight + " (°üÀ¨±ßÏߵĿí)";
s += " ÍøÒ³ÕýÎÄÈ«ÎÄ¿í£º"+ document.body.scrollWidth;
s += " ÍøÒ³ÕýÎÄÈ«Îĸߣº"+ document.body.scrollHeight;
s += " ÍøÒ³±»¾íÈ¥µÄ¸ß(ff)£º"+ document.body.scrollTop;
s += " ÍøÒ³±»¾íÈ¥µÄ¸ß(ie)£º"+ document.documentElement.scrollTop;
s += " ÍøÒ³±»¾íÈ¥µÄ×ó£º"+ document.body.scrollLeft;
s += " ÍøÒ³ÕýÎIJ¿·ÖÉÏ£º"+ window.screenTop;
s += " ÍøÒ³ÕýÎIJ¿·Ö×ó£º"+ window.screenLeft;
s += " ÆÁÄ»·Ö±æÂʵĸߣº"+ window.screen.height;
s += " ÆÁÄ»·Ö±æÂÊµÄ¿í£º"+ window.screen.width;
s += " ÆÁÄ»¿ÉÓù¤×÷Çø¸ß¶È£º"+ window.screen.availHeight;
s += " ÆÁÄ»¿ÉÓù¤×÷Çø¿í¶È£º"+ window.screen.availWidth;
s += " ÄãµÄÆÁÄ»ÉèÖÃÊÇ: "+ window.screen.colorDepth +" λ²ÊÉ«";
s += " ÄãµÄÆÁÄ»ÉèÖÃ: "+ window.screen.deviceXDPI +" ÏñËØ/Ó¢´ç";
s += "µ±Ç°´°¿ÚµÄÄÚ²¿¿í¶È:"+ window.innerWidth;
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function MyObject1(formalParameter){
alert("MyObject1");
this.testNumber = formalParameter;
//1
this.toString= function(){
alert("MyObject1:"+this.testNumber);
&nbs ......