function xmlHttp(url,param,result_func,action_type)
	{
		var xmlHttpReq = false;
		var async = true;
	
		//Mozila
		if(window.XMLHttpRequest)
		{
			xmlHttpReq = new XMLHttpRequest();
			xmlHttpReq.overrideMimeType('text/xml');
		}
		//IE
		else if(window.ActiveXObject)
		{
			xmlHttpReq = new ActiveXObject('Microsoft.XMLHTTP');
		}
		
		xmlHttpReq.open(action_type,url,async);
		xmlHttpReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		xmlHttpReq.send(param);
		
		if(async == true)
		{
			xmlHttpReq.onreadystatechange = function()
			{
				if(xmlHttpReq.readyState == 4)
				{
					if(xmlHttpReq.status == 200)
					{
						eval(result_func + '(xmlHttpReq.responseText);');
					}
					else
					{
		                		//alert('error ¹ß»ý!!');
					}
				}
			}
		}
		else
		{
			eval(result_func + '(xmlHttpReq.responseText);');
		}
	}