/**************************************************************************************************************/

// Create xmlhttp object based on browsertype

function getHTTPObject() {

  var xmlhttp;

  /*@cc_on

  @if (@_jscript_version >= 5)

    try {

      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

    } catch (e) {

      try {

        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

      } catch (E) {

        xmlhttp = false;

      }

    }

  @else

  xmlhttp = false;

  @end @*/

  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {

    try {

      xmlhttp = new XMLHttpRequest();

	  xmlhttp.overrideMimeType("text/xml"); 

    } catch (e) {

      xmlhttp = false;

    }

  }

  return xmlhttp;

}

/**************************************************************************************************************/

// Define global variables to be used throughout

var tableBusy = false;

var tableHttp = getHTTPObject();

var step1Over = false;

var row = "";

/**************************************************************************************************************/



function GetPreview(proid)

{

//	alert(locid);	

	if (!tableBusy)

	{

		var url = "getPreview.php?proid="+proid;		

		tableHttp.open("POST", url, true);

		tableHttp.onreadystatechange = GetPreviewList;

		tableBusy = true;

		tableHttp.send(null);

	}

}



function GetPreviewList()

{

	if (tableHttp.readyState == 4)

	{

		try

		{

			var output = tableHttp.responseText;

			tableBusy = false;

			document.getElementById('demosong').innerHTML = output;

		}

		catch(e)

		{

			alert("Error: " + e) ;

		}

	}

}