var _isMousedown = 0;
var _clickLeft = 0;
var _clickTop = 0;
var _browserType= getBrowserType();
function moveInit(evt){
	_isMousedown = 1;
	if(_browserType == "NSupport"){	return;	}
	var obj = $("add_new");
	if(_browserType == "fox"){
		_clickLeft = evt.pageX - parseInt(obj.style.left);
		_clickTop = evt.pageY - parseInt(obj.style.top);
    }else{
		_clickLeft = evt.x - parseInt(obj.style.left);
		_clickTop = evt.y - parseInt(obj.style.top);

    }
}

function Move(evt){
	if(_isMousedown == 0){	return; }
    var objDiv = $("add_new");
	objDiv.style.position="absolute";
	objDiv.style.left=_browserType=="fox"?(evt.pageX-_clickLeft) + "px":(evt.x-_clickLeft) +"px";
	objDiv.style.top=_browserType=="fox"?(evt.pageY-_clickTop) +"px":(evt.y-_clickTop) +"px";
}

function stopMove(){
	_isMousedown = 0;
}

function getBrowserType(){
	var browser=navigator.appName;
	var b_version=navigator.appVersion;
	var version=parseFloat(b_version);
	//alert(browser);
    if ((browser=="Netscape")){
		return "fox";
	}
	else if(browser=="Microsoft Internet Explorer"){
		if(version>=4){
			return "ie4+";
		}
		else{
			return "ie4-";
		}
	}
	else
	{
		return "NSupport";
	}
}