Methods for obtaining the full path of input file for IE 6, 7, 8, and Firefox

Here's a way to get input file full path compatible with IE 6, 7, 8, and Firefox, which does not support Chrome and Safire, and to support these browsers may have to use Flash, which is cumbersome for programmers, and also wants someone to write and share , the following are compatible with IE and FF code:

/*
* Web effects get the full path of the picture
*/

function GetFullPath (obj) {
if (obj) {
Internet Explorer
if (Window.navigator.userAgent.indexOf ("MSIE") >= 1) {
Obj.select ();
Return Document.selection.createRange (). text;
}
Firefox
else if (window.navigator.userAgent.indexOf ("Firefox") >= 1) {
if (obj.files) {
Return Obj.files.item (0). Getasdataurl ();
}
return obj.value;
}
return obj.value;
}
}