var xmlHttpCaptcha

function GetXmlHttpObject(){
	var objXMLHttp=null
	if(window.XMLHttpRequest){
		try{
			objXMLHttp=new XMLHttpRequest();
		}
		catch(e){
			objXMLHttp=false;
    }
  }
	else if(window.ActiveXObject){
		try{
			objXMLHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e){
			try{
				objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e){
				objXMLHttp=false;
			}
		}
  }
  return objXMLHttp;
}


function get_captcha(){
	xmlHttpCaptcha=GetXmlHttpObject();
	if (xmlHttpCaptcha==null){
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url="http://www.odyssei.com/lib/captcha/get_captcha.php?sid="+Math.random();
	xmlHttpCaptcha.onreadystatechange=stateChanged_Hash
	xmlHttpCaptcha.open("GET",url,true)
	xmlHttpCaptcha.send(null)
}

function stateChanged_Hash(){
	if(xmlHttpCaptcha.readyState==4 || xmlHttpCaptcha.readyState=="complete"){
		var result=xmlHttpCaptcha.responseText;
		eval(result);
		document.getElementById('odyssei_hash').value = return_object.michu_hash;
		
		document.getElementById('odyssei_image').src          = return_object.michu_img;
		document.getElementById('odyssei_image').style.width  = "200px";
		document.getElementById('odyssei_image').style.height = "60px";
	}
}