// Image Functions

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_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_openBrWindow(theURL,winName,features) { //v2.0

  window.open(theURL,winName,features);

}



function calcImgDimensions(fileID, h_w) {

	if (document.getElementById("fileLock_"+fileID).checked) {

		var oldw = parseInt(document.getElementById("fileWidthOld_"+fileID).value);

		var oldh = parseInt(document.getElementById("fileHeightOld_"+fileID).value);

		var w = parseInt(document.getElementById("fileWidth_"+fileID).value);

		var h = parseInt(document.getElementById("fileHeight_"+fileID).value);

		if (h_w == "height") {

			if (document.getElementById("fileHeight_"+fileID).value.length > 0)

				document.getElementById("fileWidth_"+fileID).value = ""+Math.round((h / oldh) * oldw);

			else

				document.getElementById("fileWidth_"+fileID).value = ""+0;

		}

		else if (h_w == "width") {

			if (document.getElementById("fileWidth_"+fileID).value.length > 0)

				document.getElementById("fileHeight_"+fileID).value = ""+Math.round((w / oldw) * oldh);

			else

				document.getElementById("fileHeight_"+fileID).value = ""+0;

		}

		

	}	

}



function popupImg(url,name,maxW,maxH){

	var windowW = parseInt(document.getElementById("MainImageWidth").value);

	var windowH = parseInt(document.getElementById("MainImageHeight").value);

	

	if (windowW > maxW || windowH > maxH) {

		if (windowW > maxW || windowH > maxH) {

			if (windowH > windowW) {

				windowW = Math.round((maxH / windowH) * windowW);

				windowH = maxH;

			}

			else {

				windowH = Math.round((maxW / windowW) * windowH);

				windowW = maxW;

			}

		}

	}

	windowW = windowW + 10;

	winndowH = windowH + 10;

	

	var sr = document.getElementById(url).src;

	sr = sr.substring(0, sr.indexOf('&'));

	

	sr = sr + "&w="+windowW+"&h="+windowH;

	

	

	myleft=(screen.width)?(screen.width-windowW)/2:100;

	mytop=(screen.height)?(screen.height-windowH)/2:100;

	properties = "width="+windowW+",height="+windowH+",scrollbars=no,menubar=no,toolbar=no,status=no, top="+mytop+",left="+myleft;

	

	window.open(sr,name,properties);

}



function popupPage(url,name,w,h){		

	myleft=(screen.width)?(screen.width-w)/2:100;

	mytop=(screen.height)?(screen.height-h)/2:100;

	properties = "width="+w+",height="+h+",scrollbars=no,menubar=no,toolbar=no,status=no, top="+mytop+",left="+myleft;

	window.open(url,name,properties);

}



var modalmain;

function setPopup(w, h, src){

	document.getElementById("MainImageWidth").value = ""+w;

	document.getElementById("MainImageHeight").value = ""+h;

	document.getElementById("modalmain").href = src;

	

	if (w > 640 || h > 480) {

		w = 640;

		h = 480;

	}

	

	modalmain.destroy();

	modalmain = new Control.Modal($('modalmain'),{

										overlayOpacity: 0.75,

                                            className: 'modal',

                                            fade: true,

											closeOnClick: true,

											width: w,

											height: h

                                        });

}