上传图片兼容firefox

function HandleUploadPic(UploadPic) {

document.getElementById("txtPic").value=UploadPic;

oo("_myeditor_txtTeacherDesc").contentWindow.document.body.focus();

if (!isIE)

 {

 var obj = oo("_myeditor_txtTeacherDesc").contentWindow.getSelection().getRangeAt(0);

 var imgElement = document.createElement("img"); imgElement.src = UploadPic;

obj.surroundContents(imgElement);

}

else {

var obj = oo("_myeditor_txtTeacherDesc").contentWindow.document.selection.createRange();

 obj.pasteHTML('<img src="'+UploadPic+'" border=0 />');

 }

}

 function oo(ID){ return document.getElementById(ID); }