function showMailform() {
	//show mailform div overlay
	//setOpacity('page-container',25);
	showOverlay();
}

//google map key: ABQIAAAAbUsd3yMDJTgso1oYJEDicRTdqN1e1KoVlxlueItDRJdTFEqn0xTk5Lzzu2BK7pF29Ks9P7uo1l9QLw

function getContents(url) {
        var httpRequest;
		var url;

	//url = '/item/php/google.inc.php?item_id='+item_id;

        if (window.XMLHttpRequest) { // Mozilla, Safari, ...
            httpRequest = new XMLHttpRequest();
            if (httpRequest.overrideMimeType) {
                httpRequest.overrideMimeType('text/html');
                // See note below about this line
            }
        } 
        else if (window.ActiveXObject) { // IE
            try {
                httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
                } 
                catch (e) {
                           try {
                                httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
                               } 
                             catch (e) {}
                          }
                                       }

        if (!httpRequest) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }


		httpRequest.onreadystatechange = function() 
			{
				if(httpRequest.readyState <= 3)
					{
						document.getElementById('google_frame').innerHTML = "laden...";	
					}
				if(httpRequest.readyState == 4)
					{
						if(httpRequest.status == 200)
							{
								//document.getElementById('google_frame').innerHTML = httpRequest.responseText;
							}
							else
							{
								alert('There was a problem with the request.');	
							}
					}
			}
	httpRequest.open('GET', url, false);
    httpRequest.send(null);
	return httpRequest.responseText;
}