var xmlHttp;


function P7_ExpMenu(){ //
 //if(navigator.appVersion.indexOf("MSIE")==-1){return;}
 var i,k,g,lg,r=/\s*p7hvr/,nn='',c,cs='p7hvr',bv='p7menubar';
 for(i=0;i<12;i++){g=document.getElementById(bv+nn);if(g){
 lg=g.getElementsByTagName("LI");if(lg){for(k=0;k<lg.length;k++){
 lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;
 this.className=cl;};lg[k].onmouseout=function(){c=this.className;
 this.className=(c)?c.replace(r,''):'';};}}}nn=i+1;}
}


function randompicture()
// display the random pictures from the web folders
{
 var img_rnd = new Array ("r1.jpg", "r2.jpg", "r3.jpg", "r4.jpg", "r5.jpg", "r6.jpg", "r7.jpg", "r8.jpg");
   var i = Math.round(7*Math.random());
   //document.write('The random index is '+i);
   //document.write('The random picture is '+img_rnd[i]);
   document.write('<IMG src =' +'./randompictures/'+ img_rnd[i]+  ' width=300 '+ 'height=200' + '>');
}



function showCustomer(str)
{ 
// The function display the Video or audio files to play in Windows media player when people change the selections.
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="getcustomer.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}