1function isIE(){ 2 var browser = new Object(); 3 browser.version = parseInt(navigator.appVersion); 4 browser.isNs = false; 5 browser.isIe = false; 6 if(navigator.appName.indexOf("Netscape") != -1) 7 browser.isNs = true; 8 else if(navigator.appName.indexOf("Microsoft") != -1) 9 browser.isIe = true; 10 if(browser.isNs) return false; 11 else if (browser.isIe) return true; 12} 13 14function add(out,in1,in2,in3,in4) { 15 var Total; 16 Total=in1.value+"."+in2.value+"."+in3.value+"."+in4.value; 17 out.value=Total; 18} 19 20function load4(Mydata,ip1,ip2,ip3,ip4) { 21 var len; var ad; var temp; 22 var Myall; 23 Myall=Mydata.value; //ip1 24 len=Myall.length; 25 temp=Myall.indexOf("."); 26 ad=Myall.substring(0,temp); 27 ip1.value=ad; 28 //ip2 29 Myall=Myall.substring(temp+1,len); 30 len=Myall.length; 31 temp=Myall.indexOf("."); 32 ad=Myall.substring(0,temp); 33 ip2.value=ad; 34 //ip3 35 Myall=Myall.substring(temp+1,len); 36 len=Myall.length; 37 temp=Myall.indexOf("."); 38 ad=Myall.substring(0,temp); 39 ip3.value=ad; 40 //ip4 41 Myall=Myall.substring(temp+1,len); 42 ad=Myall; ip4.value=ad; 43}