$ (Document). ready (function (){
Function getBrowserTypeAndVersion (){
Var Sys = {};
Var ua = navigator. userAgent. toLowerCase ();
Var s;
(S = ua. match (/msie ([\ d.] + )/))? Sys. ie = s [1]: // ie
(S = ua. match (/firefox \/([\ d.] + )/))? Sys. firefox = s [1]: // firefox
(S = ua. match (/chrome \/([\ d.] + )/))? Sys. chrome = s [1]: 0; // chrom
If (Sys. ie ){
If (navigator. userAgent. indexOf ("MSIE 6.0")> 0 | navigator. userAgent. indexOf ("MSIE 7.0")> 0 ){
Alert ("your browser version is too low, please upgrade your browser ");
Return;
}
}
If (Sys. firefox ){
Var version = (navigator. appVersion). substring (navigator. appVersion. indexOf (":"), navigator. appVersion. indexOf ("."));
If (parseInt (version) <4 ){
Alert ("your browser version is too low, please upgrade your browser ");
Return;
}
}
If (Sys. chrome ){
Var version = (navigator. appVersion). substring (navigator. appVersion. indexOf (":"), navigator. appVersion. indexOf ("."));
If (parseInt (version) <4 ){
Alert ("your browser version is too low, please upgrade your browser ");
Return;
}
}
}
GetBrowserTypeAndVersion ();
});