MediaWiki talk:Onlyifediting.js

 //Height of ProofReadDiv
 var DivHeight=0;

 function ProofReading () {

	if (window.location.search.indexOf("image=") != -1) {
		var ImageString = window.location.search.substring(window.location.search.indexOf("image=")+6,window.location.search.length);

		if (ImageString != "") {
			TextBoxRows= document.getElementsByName("wpTextbox1")[0].getAttribute('rows');
			TextBoxRows=Math.ceil(TextBoxRows/2);
			document.getElementsByName("wpTextbox1")[0].setAttribute('rows',TextBoxRows);


			var ImageFrame = "<div id=\"ImageFrame\">" + ImageFrameContent(ImageString) + "</div>";
			document.getElementById("contentSub").innerHTML += ImageFrame
		}
	}
 }

 function ImageFrameContent(ImageString) {
	if (DivHeight == 0) {
		if(document.selection  && !is_gecko) {
		//IE: 
			DivHeight=Math.ceil(document.body.clientHeight*0.5)+"px";
			} else {
		//andere: 
			DivHeight=Math.ceil(window.innerHeight*0.4)+"px";
		}
	}
 
	var ZoomInIcon = "<a href=\"javascript:Zoom(50)\"><img src=\"http://upload.wikimedia.org/wikipedia/commons/4/48/Magnifier_zoom_in.png\" title=\"vergrößern\" width=24 height=24></a>";
	var ZoomOutIcon = "<a href=\"javascript:Zoom(-50)\"><img src=\"http://upload.wikimedia.org/wikipedia/commons/9/92/Magifier_zoom_out.png\" title=\"verkleinern\" width=24 height=24></a>";
	var ZoomStdIcon = "<a href=\"javascript:Zoom(0)\"><img src=\"http://upload.wikimedia.org/wikipedia/commons/7/79/Magnifier.png\" title=\"Fensterbreite\" width=24 height=24></a>";
 
	var ImageFrame = ZoomOutIcon + " " + ZoomStdIcon + " " + ZoomInIcon;
 
	var ImageApp = /\.png$|\.jpeg$|\.jpg$|\.gif$/;
	if (ImageApp.test(ImageString) == true) {
		ImageFrame += "<div style=\"overflow: scroll; height: " + DivHeight + "; width: 100%;\">";
		ImageFrame += "<img onerror=\"ImageError('"+ ImageString+"')\" id=\"ProofReadImage\" src=\""+ GetImageUrl(ImageString) +"\" alt=\""+ GetImageUrl(ImageString) +"\"";
		if (GetCookie("PrImageWidth")) {
			ImageFrame +="width = \"" + GetCookie("PrImageWidth") +"\"";
		}
		ImageFrame += "></div>";
	} else {
		ImageFrame += "<iframe id=\"ProofReadImage\" src=\""+ GetImageUrl(ImageString) +"\" style=\"height: " + DivHeight + "; width: 100%;\">";
	}
 return ImageFrame
 }

 function GetImageUrl(name) {
 var retval = name;
 if (name.indexOf("http:") != 0) retval = "index.php/Special:Filepath/" + name;
 return retval;
 }

 function ImageError(imagename) {

	if (document.getElementById("ProofReadImage").src.indexOf("commons") == -1 && document.getElementById("ProofReadImage").src.indexOf("Special:Filepath") != -1) {
	//image not from commons
		document.getElementById("ProofReadImage").src = "http://commons.wikimedia.org/wiki/Special:Filepath/" + imagename;
	}

 }

 function Zoom(value) {
	PrImage = document.getElementById("ProofReadImage");
 
	if (value == 0) PrImage.width = document.getElementById("ImageFrame").offsetWidth-15;
	else PrImage.width=PrImage.width+value;
	SetCookie("PrImageWidth",PrImage.width);
	if(document.selection  && !is_gecko) {
		//IE: 
		document.getElementById("ImageFrame").innerHTML = ImageFrameContent(PrImage.src);
	}

 }

 addLoadEvent(customizeWikipedia);
 addLoadEvent(ProofReading);