function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// AJAX CAPABILITY
function ajax_add(p_id,tab) {
	xmlHttp=GetXmlHttpObject()
	var url="scripts/prod/ajax_add.php?p_id="+p_id+"&tab="+tab;
	xmlHttp.onreadystatechange=stateDisplayMessage;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} // end function

function stateDisplayMessage() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById("show_msg").innerHTML=xmlHttp.responseText
	} // end if
} // end function
// --------------------------------
// --------------------------------
function ajax_rate(u_id,p_id,rate) {
 //  alert(">"+u_id+">"+p_id+">"+rate);
	xmlHttp=GetXmlHttpObject()
	var url="scripts/prod/rate.php?vote=yes&u_id="+u_id+"&p_id="+p_id+"&rate="+rate;
	xmlHttp.onreadystatechange=stateDisplayChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} // end function

function stateDisplayChanged() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById("show_rated").innerHTML=xmlHttp.responseText
	} // end if
} // end function
// --------------------------------
// --------------------------------
function ajax_prod(p_id,genr,type,tab) {
	xmlHttp=GetXmlHttpObject()
	var url="scripts/prod/prod_ajax.php?p_id="+p_id+"&tab="+tab+"&genr="+genr+"&type="+type;
	xmlHttp.onreadystatechange=stateDisplayChoice;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} // end function

function stateDisplayChoice() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById("prodAjax_app").innerHTML=xmlHttp.responseText
	} // end if
} // end function
// --------------------------------
// --------------------------------
function review_ajax(pg,p_id,rev) {
	var scr = ((screen.width-400)/2);

	xmlHttp=GetXmlHttpObject()
	var url="scripts/prod/ajax_review.php?pg="+pg+"&p_id="+p_id+"&rev="+rev+"&scr="+scr+"px";
	xmlHttp.onreadystatechange=stateDisplayReview;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} // end function

function stateDisplayReview() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById("review_ajax").innerHTML=xmlHttp.responseText
	} // end if
} // end function
// --------------------------------
// --------------------------------

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;
}