var viewer;
var imageviewer;
var inforequest;

function openInfo(file,prop){
  properties = prop;
  inforequest = window.open(file,'inforequest',properties);
  inforequest.focus();
  inforequest=null;
}

function openWindow(file,prop){
  if(top.opener){
    window.name="viewer2";
  }

  if (viewer){
    if (viewer.closed) {
       viewer = window.open(file,'viewer',prop);
       viewer.focus();
    }else{
       viewer.close();
       viewer = window.open(file,'viewer',prop);
       viewer.focus();
    }
  }else{
       viewer = window.open(file,'viewer',prop);
       viewer.focus();
  }
}
function openWindow2(file,prop,urltype){
  if(top.opener){
    window.name="viewer2";
  }

  if(urltype=="siteurl"){
    url=siteurl+'/';
  }else if(urltype=="baseurl"){
    url=baseurl+'/';
  }


  if (viewer){
    if (viewer.closed) {
       viewer = window.open(url+file,'viewer',prop);
       viewer.focus();
    }else{
       viewer.close();
       viewer = window.open(url+file,'viewer',prop);
       viewer.focus();
    }
  }else{
       viewer = window.open(url+file,'viewer',prop);
       viewer.focus();
  }
}
function openImageWindow(file){

  if (imageviewer){
    if (imageviewer.closed) {
       imageviewer = window.open(siteurl+"/scripts/showimage.asp?imagename="+file,'imageviewer',"scrollbars=yes,resizable=yes,status=yes,width=50,height=50");
       imageviewer.focus();
    }else{
       imageviewer.close();
       imageviewer = window.open(siteurl+"/scripts/showimage.asp?imagename="+file,'imageviewer',"scrollbars=yes,resizable=yes,status=yes,width=50,height=50");
       imageviewer.focus();
    }
  }else{
       imageviewer = window.open(siteurl+"/scripts/showimage.asp?imagename="+file,'imageviewer',"scrollbars=yes,resizable=yes,status=yes,width=50,height=50");
       imageviewer.focus();
  }
}



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) { //v4.0
  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 && document.getElementById) x=document.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_showHideLayers() { //v3.0
  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 PFToggleCollapsable(contentId) {
  if(document.getElementById){	
          var obj = document.getElementById(contentId);
	  if (obj.style.display == "none") {
		obj.style.display = "";
		 if (obj) {
		  w = obj.offsetWidth;
		  h = obj.offsetHeight;
		  if ( obj.offsetParent ) {
		   for ( var posX = 0, posY = 0; obj.offsetParent; obj = obj.offsetParent ) {
		    posX += obj.offsetLeft;
		    posY += obj.offsetTop;
		   }
		   if(posY>20) posY=posY-20
		   scroll(0,posY);
		  } else {
		   scroll(0,obj.y);
		  }
		 } else {
		  scroll(0,0);
		 }
	  } else {
	    obj.style.display = "none";
	  }
  }
}

function PFCenterElement(id,addmask,layeropacity,flags){
	var x = document.getElementById(id);
	if(x){
	        x.style.visibility='hidden';	        
		//check if currently displayed
		if(x.style.display != "none"){ // hide layer
		    x.style.display ='none';		    
		   if(addmask){
			PFRemoveMask();
		   }
		}else{ // show layer
			 x.style.display ='block';
			if(addmask){
			        PFRemoveMask(); //try to remove any previous masks
				PFAddMask(layeropacity);
			}
			divheight=x.style.height+'';
			divheight=divheight.replace('px', '') ;
			divheight=divheight.replace(' ','') ;
			if(divheight=='' || divheight=='undefined'){ //blank so attempt to get div height
			  divheight = x.offsetHeight;
			}
			divwidth=x.style.width+'';
			divwidth=divwidth.replace('px', '') ;
			divwidth=divwidth.replace(' ','') ;			
			if(divwidth=='' || divwidth=='undefined'){ //blank so attempt to get div width			 
			  divwidth = x.offsetWidth;
			}
			scrolltop=document.body.scrollTop + '';
			scrolltop=scrolltop.replace('px', '') ;
			scrolltop=scrolltop.replace(' ','');
			x.style.left=Math.round((document.body.offsetWidth-20)/2)-Math.round(divwidth/2);
			x.style.top=Math.round(scrolltop)+Math.round((document.body.clientHeight-20)/2)-Math.round(divheight/2);
			x.style.zIndex= 100000;
			x.style.visibility='visible';
		}
	}
}

function PFGetElementPosition(contentId) {
        var obj = document.getElementById(contentId);
	var curleft = curtop = 0;
	if(obj){
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	}
	return [curleft,curtop];
}

function PFAddMask(maskopacity){
		var ScreenMask = document.createElement('div');        
		ScreenMask.id = "PFLayerMask";ScreenMask.style.position = "absolute";ScreenMask.style.top = "0px";ScreenMask.style.left = "0px";ScreenMask.style.width = "100%";ScreenMask.style.background = "#000000";ScreenMask.style.visibility = "hidden";ScreenMask.style.zIndex = 99999;
		if(document.body.scrollHeight){
		  ScreenMask.style.height = document.body.scrollHeight+"px";
		}else{
		  ScreenMask.style.height = "100%";
		}
		document.body.appendChild(ScreenMask);
		if(maskopacity!=""){
		  PFChangeOpac(maskopacity,"PFLayerMask");
		}else{
		  PFChangeOpac(40,"PFLayerMask");
		}
		ScreenMaskdiv = document.getElementById("PFLayerMask");
		ScreenMaskdiv.style.visibility = "visible";
}

function PFRemoveMask(){
      if(document.getElementById("PFLayerMask")){
	document.body.removeChild(document.getElementById("PFLayerMask"));
      }
}