function dialog(_dx,_dy){
	var titile = '';
	var width = _dx;//300
	var height =_dy;//180
	var src = "";
	var path = "";
	//the id of mask div
	var maskid = "maskAll";
	var sFunc = '<input id="dialogOk" type="button" style="width:62px;height:22px;border:0;line-height:20px;" value="确认" onclick="new dialog().reset();"/> <input id="dialogCancel" type="button" style="width:62px;height:22px;border:0;line-height:20px;" value="取消" onclick="new dialog().reset();" />';
	var sClose = '<span id="dialogBoxClose" onclick="new dialog().reset();">×</span>';
	var sBody = '\
		<table id="dialogBodyBox" border="0" align="center" cellpadding="0" cellspacing="0">\
			<tr height="10"><td colspan="4"></td></tr>\
			<tr>\
				<td id="dialogMsg" align="center" colspan="4"></td>\
			</tr>\
			<tr height="10"><td colspan="4" align="center"></td></tr>\
			<tr><td id="dialogFunc" colspan="4" align="center">' + sFunc + '</td></tr>\
			<tr height="10"><td colspan="4" align="center"></td></tr>\
		</table>\
	';
	var sBox = '\
		<table id="dialogBox" width="' + width + '" border="0" cellpadding="0" cellspacing="0" style="border:1px solid #000;display:none;z-index:10;">\
			<tr height="1" bgcolor="#D6E3EB"><td></td></tr>\
			<tr height="25" bgcolor="#6795B4">\
				<td>\
					<table onselectstart="return false;" style="-moz-user-select:none;" width="100%" border="0" cellpadding="0" cellspacing="0">\
						<tr>\
							<td width="6"></td>\
							<td id="dialogBoxTitle" style="color:#fff;cursor:move;font-size:12px;font-weight:bold;">系统提示信息</td>\
							<td id="dialogClose" width="27" align="right" valign="middle">\
								' + sClose + '\
							</td>\
							<td width="6"></td>\
						</tr>\
					</table>\
				</td>\
			</tr>\
			<tr height="2" bgcolor="#EDEDED"><td></td></tr>\
			<tr id="dialogHeight" style="height:' + height + '">\
				<td id="dialogBody" style="background:#fff;">' + sBody + '</td>\
			</tr>\
		</table>\
		<div id="dialogBoxShadow" style="display:none;z-index:9;"></div>\
	';
	function $(_sId){return document.getElementById(_sId)}
	function $S(v) { return($(v).style); }
	this.show = function(){$('dialogBodyBox') ? function(){} : this.init();this.middle('dialogBox');this.shadow();
	this.autohidden(5);
	
	}
	
    this.showL = function(){$('dialogBodyBox') ? function(){} : this.init();this.middle('dialogBox');this.shadow();
	//this.autohidden(5);
	}
	
	this.reset = function(){this.hideModule('select', '');$('dialogBox').style.display='none';$('dialogBoxShadow').style.display = "none";$('dialogBody').innerHTML = sBody;
	this.hidden();
	}
	this.html = function(_sHtml){$("dialogBody").innerHTML = _sHtml;this.show();}
	this.init = function(){
		//如果有则删除
		$('dialogCase') ? $('dialogCase').parentNode.removeChild($('dialogCase')) : function(){};
		var oDiv = document.createElement('span');
		oDiv.id = "dialogCase";
		oDiv.innerHTML = sBox;
		document.body.appendChild(oDiv);
		//创建遮罩层
		$(maskid) ? $(maskid).parentNode.removeChild($(maskid)) : function(){};
		var oDiv1 = document.createElement('div');
		oDiv1.id = maskid;
		document.body.appendChild(oDiv1);
	}
	
	//添加自动隐藏功能
	this.autohidden = function(m){
		setTimeout("new dialog().reset();",5000);
	}
	
	this.button = function(_sId, _sFuc){
		if($(_sId)){
			$(_sId).style.display = '';
			if($(_sId).addEventListener){
				if($(_sId).act){$(_sId).removeEventListener('click', function(){eval($(_sId).act)}, false);}
				$(_sId).act = _sFuc;
				$(_sId).addEventListener('click', function(){eval(_sFuc)}, false);
			}else{
				if($(_sId).act){$(_sId).detachEvent('onclick', function(){eval($(_sId).act)});}
				$(_sId).act = _sFuc;
				$(_sId).attachEvent('onclick', function(){eval(_sFuc)});
			}
		}
	}
	this.shadow = function(){
		var oShadow = $('dialogBoxShadow');
		var oDialog = $('dialogBox');
		oShadow['style']['position'] = "absolute";
		oShadow['style']['background']	= "#000";
		oShadow['style']['display']	= "";
		oShadow['style']['opacity']	= "0.2";
		oShadow['style']['filter'] = "alpha(opacity=20)";
		oShadow['style']['top'] = oDialog.offsetTop + 6;
		oShadow['style']['left'] = oDialog.offsetLeft + 6;
		oShadow['style']['width'] = oDialog.offsetWidth;
		oShadow['style']['height'] = oDialog.offsetHeight;
	}
	this.open = function(_sUrl, _sMode){
		this.showL();
		//this.shadow(); 大黄添加
		if(!_sMode || _sMode == "no" || _sMode == "yes"){
			$("dialogBody").innerHTML = "<iframe id='dialogFrame' width='100%' height='100%' frameborder='0' scrolling='" + _sMode + "'></iframe>";
			$("dialogFrame").src = _sUrl;
		}
	}
	this.showWindow = function(_sUrl, _iWidth, _iHeight, _sMode){
		var oWindow;
		var sLeft = (screen.width) ? (screen.width - _iWidth)/2 : 0;
		var sTop = (screen.height) ? (screen.height - _iHeight)/2 : 0;
		if(window.showModalDialog && _sMode == "m"){
			oWindow = window.showModalDialog(_sUrl,"","dialogWidth:" + _iWidth + "px;dialogheight:" + _iHeight + "px");
		} else {
			oWindow = window.open(_sUrl, '', 'height=' + _iHeight + ', width=' + _iWidth + ', top=' + sTop + ', left=' + sLeft + ', toolbar=no, menubar=no, scrollbars=' + _sMode + ', resizable=no,location=no, status=no');
		}
	}
	this.event = function(_sMsg, _sOk, _sCancel, _sClose){
		$('dialogFunc').innerHTML = sFunc;
		$('dialogClose').innerHTML = sClose;
		$('dialogBodyBox') == null ? $('dialogBody').innerHTML = sBody : function(){};
		$('dialogMsg') ? $('dialogMsg').innerHTML = _sMsg  : function(){};
		this.show();
		this.maskAll();
		_sOk ? this.button('dialogOk', _sOk) | $('dialogOk').focus() : $('dialogOk').style.display = 'none';
		_sCancel ? this.button('dialogCancel', _sCancel) : $('dialogCancel').style.display = 'none';
		_sClose ? this.button('dialogBoxClose', _sClose) : function(){};
	}
	this.set = function(_oAttr, _sVal){
		var oShadow = $('dialogBoxShadow');
		var oDialog = $('dialogBox');
		var oHeight = $('dialogHeight');

		if(_sVal != ''){
			switch(_oAttr){
				case 'title':
					$('dialogBoxTitle').innerHTML = _sVal;
					title = _sVal;
					break;
				case 'width':
					oDialog['style']['width'] = _sVal;
					width = _sVal;
					break;
				case 'height':
					oHeight['style']['height'] = _sVal;
					height = _sVal;
					break;
				case 'src':
					if(parseInt(_sVal) > 0){
						$('dialogBoxFace') ? $('dialogBoxFace').src = path + _sVal + '.gif' : function(){};
					}else{
						$('dialogBoxFace') ? $('dialogBoxFace').src = _sVal : function(){};
					}
					src = _sVal;
					break;
			}
		}
		this.middle('dialogBox');
		oShadow['style']['top'] = oDialog.offsetTop + 6;
		oShadow['style']['left'] = oDialog.offsetLeft + 6;
		oShadow['style']['width'] = oDialog.offsetWidth;
		oShadow['style']['height'] = oDialog.offsetHeight;
	}
	this.hideModule = function(_sType, _sDisplay){
		var aIframe = parent.document.getElementsByTagName("iframe");aIframe=0;
		var aType = document.getElementsByTagName(_sType);
		var iChildObj, iChildLen;
		for (var i = 0; i < aType.length; i++){
			aType[i].style.display	= _sDisplay;
		}
		for (var j = 0; j < aIframe.length; j++){
			iChildObj = document.frames ? document.frames[j] : aIframe[j].contentWindow;
			iChildLen = iChildObj.document.body.getElementsByTagName(_sType).length;
			for (var k = 0; k < iChildLen; k++){
				iChildObj.document.body.getElementsByTagName(_sType)[k].style.display = _sDisplay;
			}
		}
	}
	this.middle = function(_sId){
		document.getElementById(_sId)['style']['display'] = '';
		document.getElementById(_sId)['style']['position'] = "absolute";
		document.getElementById(_sId)['style']['left'] = (document.body.clientWidth / 2) - (document.getElementById(_sId).offsetWidth / 2);
		document.getElementById(_sId)['style']['top'] = (document.body.clientHeight / 2 + document.body.scrollTop) - (document.getElementById(_sId).offsetHeight / 2);
	}
	
	
	//
	//大黄修改 2007-07-06	显示mask div
	this.maskAll = function(){
	$S(maskid).display='block';
	}
	
	this.hidden = function(){
	$S(maskid).display='none';
	} 
}