function show(url) {
	// 'width=500,height=450'
	param = 'scrollbars=yes,resizable=yes,';
	param+= (show.arguments.length==2)?show.arguments[1]:'width=500,height=450';
  popup = window.open(url,'detail',param)
  popup.focus();
}

function XMLHTTP(){
	var http_request = false;
    if (window.XMLHttpRequest) {
        http_request = new XMLHttpRequest();
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {}
    }
    if (!http_request) {
        alert('Cannot create an XMLHTTP instance');
        return false;
    }
    return http_request;
}

function addLoadEvent(func) {
  if ( typeof wpOnload != "function" ) {
    wpOnload = func;
  } else {
    var oldonload = wpOnload;
    wpOnload = function() {
      oldonload();
      func();
    }
  }
}