function ScreenConvert(){
var browser = new Browser();
var objScreen = gid("ScreenOver");
if(!objScreen) var objScreen = document.createElement("div");
var oS = objScreen.style;
objScreen.id = "ScreenOver";
oS.display = "block";
oS.top = oS.left = oS.margin = oS.padding = "0px";
if (document.body.clientHeight)	{
var wh = document.body.clientHeight + "px";
}
else if (window.innerHeight){
var wh = window.innerHeight + "px";
}
else{
var wh = "100%";
}
oS.width = "100%";
oS.height = wh;
oS.position = "absolute";
oS.zIndex = "3";
if ((!browser.isSF) && (!browser.isOP)){
oS.background = "#ccc";
}
else{
oS.background = "#ccc";
}
oS.filter = "alpha(opacity=20)";
oS.opacity = 40/100;
oS.MozOpacity = 40/100;
document.body.appendChild(objScreen);
var allselect = gname("select");
for (var i=0;
 i<allselect.length;
 i++) allselect[i].style.visibility = "hidden";
}

function DialogLoc(){
var dde = document.documentElement;
if (window.innerWidth){
var ww = window.innerWidth;
var wh = window.innerHeight;
var bgX = window.pageXOffset;
var bgY = window.pageYOffset;
}
else{
var ww = dde.offsetWidth;
var wh = dde.offsetHeight;
var bgX = dde.scrollLeft;
var bgY = dde.scrollTop;
}
t_DiglogX = (bgX + ((ww - t_DiglogW)/2));
t_DiglogY = (bgY + ((wh - t_DiglogH)/2));
}

function DialogShow(showdata,ow,oh,w,h){
var objDialog = document.getElementById("DialogMove");
if (!objDialog) objDialog = document.createElement("div");
t_DiglogW = ow;
t_DiglogH = oh;
DialogLoc();
objDialog.id = "DialogMove";
var oS = objDialog.style;
oS.display = "block";
oS.top = t_DiglogY + "px";
oS.left = t_DiglogX + "px";
oS.margin = "0px";
oS.padding = "0px";
oS.width = w + "px";
oS.height = h + "px";
oS.position = "absolute";
oS.zIndex = "5";
oS.background = "#FFF";
oS.border = "solid #A1A1A1 1px";
objDialog.innerHTML = showdata;
document.body.appendChild(objDialog);
}

function DialogHide(){
ScreenClean();
var objDialog = document.getElementById("DialogMove");
if (objDialog) objDialog.style.display = "none";
}

function ScreenClean(){
var objScreen = document.getElementById("ScreenOver");
if (objScreen) objScreen.style.display = "none";
var allselect = gname("select");
for (var i=0;
 i<allselect.length;
 i++) allselect[i].style.visibility = "visible";
}

function InitRequest(){
var C_req = null;
try{
C_req = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e){
try{
C_req = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(oc){
C_req = null;
}
}
if (!C_req && typeof XMLHttpRequest != "undefined"){
try{
C_req = new XMLHttpRequest();
}
catch(fa){
alert("Sorry!your browser cannot support!Please use Internet Explorer 6.0 or FireFox!");
C_req = null;
}
}
return C_req;
}

function PostRequest(url, data){
	var AjaxRequestObj = InitRequest();
	if (AjaxRequestObj != null){
	AjaxRequestObj.onreadystatechange = function (){
	if (AjaxRequestObj.readyState == 4 && AjaxRequestObj.responseText){
	ProcessAjaxData(AjaxRequestObj.responseText);
	}
	}
	;
	AjaxRequestObj.open("POST", url, true);
	AjaxRequestObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	AjaxRequestObj.send(data);
	}
}

function ProcessAjaxData(data){
eval(data);
}