function GetQueryString(name)
{
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if(r!=null) return unescape(r[2]); return null;
}
function G(id){
return document.getElementById(id);
};
function GC(t){
return document.createElement(t);
};
String.prototype.trim = function(){
return this.replace(/(^\s*)|(\s*$)/g, '');
};
function isIE(){
return (document.all && window.ActiveXObject && !window.opera) ? true : false;
}
var loginDivWidth = 220;
var sign_in_flow = '| × |
 |
';
function cancelSign(){
G("sign_div").style.display = 'none';
G("cover_div").style.display = 'none';
document.body.style.overflow = '';
};
function popCoverDiv(){
if (G("cover_div")) {
G("cover_div").style.display = '';
} else {
var coverDiv = GC('div');
document.body.appendChild(coverDiv);
coverDiv.id = 'cover_div';
with(coverDiv.style) {
position = 'absolute';
background = '#CCCCCC';
left = '0px';
top = '0px';
var bodySize = getBodySize();
width = bodySize[0] + 'px'
height = bodySize[1] + 'px';
zIndex = 98;
if (isIE()) {
filter = "Alpha(Opacity=60)";
} else {
opacity = 0.6;
}
}
}
}
function getBodySize(){
var bodySize = [];
with(document.documentElement) {
bodySize[0] = (scrollWidth>clientWidth)?scrollWidth:clientWidth;
bodySize[1] = (scrollHeight>clientHeight)?scrollHeight:clientHeight;
}
return bodySize;
}
function popSign(isLogin){
if (G("sign_div")) {
G("sign_div").style.display = '';
} else {
var signDiv = GC('div');
document.body.appendChild(signDiv);
signDiv.id = 'sign_div';
signDiv.align = "center";
signDiv.onkeypress = function(evt){
var e = window.event?window.event:evt;
if (e.keyCode==13 || e.which==13) {
if (G("sign_button")) {
G("sign_div").focus();
G("sign_button").click();
}
}
};
with (signDiv.style) {
position = 'absolute';
left = (document.documentElement.clientWidth - loginDivWidth)/2 + 'px';
top = (document.documentElement.clientHeight+1000)/2 + 'px';
width = loginDivWidth + 'px';
zIndex = 99;
border = '#66CCFF solid 1px';
}
}
if(isLogin) {
G("sign_div").innerHTML = sign_in_flow;
} else {
G("sign_div").innerHTML = change_pwd_flow;
}
}
function popSignFlow(isLogin) {
popCoverDiv();
popSign(isLogin);
//document.body.style.overflow = "hidden";
}