/* Simon Willison's addLoadEvent function allows you to stack up 'window.onload' events 
without them stepping on each other's toes. 
It's explained here - http://www.sitepoint.com/blog-post-view.php?id=171578 */
//alert('jetzt aber!');
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		// alert('addLoadEvent');
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

/*
 * This is our current popup function - parts of the site still use it, so I
 * need to keep it
 */

function acpopup(strURL, strType, strWidth, strHeight) {
	var strOptions = "";
	if (strType == "console")
		strOptions = "resizable,height=" + strHeight + ",width=" + strWidth;
	window.open(strURL, '', strOptions);
}

/* new accessible, unobtrusive popup code */

function _utf8_decode(utftext) {
	var string = "";
	var i = 0;
	var c = c1 = c2 = 0;

	while ( i < utftext.length ) {

		c = utftext.charCodeAt(i);

		if (c < 128) {
			string += String.fromCharCode(c);
			i++;
		}
		else if((c > 191) && (c < 224)) {
			c2 = utftext.charCodeAt(i+1);
			string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
			i += 2;
		}
		else {
			c2 = utftext.charCodeAt(i+1);
			c3 = utftext.charCodeAt(i+2);
			string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
			i += 3;
		}

	}

	return string;
}

function windowLinks() { // create a new function called windowLink();
	if (!document.getElementsByTagName) { // Only run the function on browsers
											// that
		return; // understand 'getElementsByTagName' - new browsers
	}

	var anchors = document.getElementsByTagName("a"); // grab all links and
														// pop them in an array
														// called 'anchors'
	for ( var i = 0; i < anchors.length; i++) { // start a loop to work our way
												// through
		var anchor = anchors[i]; // grab the next link & copy it to 'anchor'
									// for working
		var relIndex = anchor.rel; // get the value of it's 'REL' attribute
		if (relIndex) { // does it have a value for REL?...
			var relSplit = relIndex.split(" "); // changed "|" to " "
			/*
			 * if it does, look for '|' to use to split the value into an array -
			 * relSplit[0], relSplit[1], relSplit[2], etc . If it doesn't find
			 * any '|', the whole value gets transferred to relSplit[0]
			 */

			/* XHTML compliant target attribute */

			if (relSplit[0] == "external") { // If the relSplit[0] is
												// 'external'...
				anchor.target = "_blank"; // then set it's 'target' attribute
											// to '_blank'
				var titleText = anchor.href;

				// nur wenn es sich nicht um einen ausschliesslichen Bildlink
				// handelt
				var Ausdruck = /^<img[^>]+>$/i;
				if (!Ausdruck.test(anchor.innerHTML)) {
					anchor.className = "external"; // then attach a CSS class
					var openx =titleText.match(/oadest=([^,&]*)/i);
					if (openx != null) {
						titleText = ""+openx;
						titleText = titleText.substring(7)
									.replace(/,.*/, "")
									.replace(/%3A/g, ":")
									.replace(/%2F/g, '/');
						// #todo: proper url encode string
					}
				}

				// #todo: title in verschiedenen Sprachen anzeigen (auswählen)
				anchor.title = "Im neuen Fenster öffnen: " + titleText;
				// And give it a new title attribute to warn users a new window
				// is launching

				/* Elegantly degrading window code */

			} else if (relSplit[0] == "popup") { // else if relSplit[0] is
													// 'popup'...

				// nur wenn es sich nicht um einen ausschliesslichen Bildlink
				// handelt
				var Ausdruck = /^<img[^>]+>$/i;
				if (!Ausdruck.test(anchor.innerHTML)) {
					anchor.className = "popup"; // attach a CSS class to it
				}
				// #todo: title in verschiedenen Sprachen anzeigen (auswählen)
				anchor.title = "Öffnet im PopUp-Fenster"; // Give it a helpful
															// title attribute
				anchor.popupWidth = relSplit[1]; // set the popup's width
				anchor.popupHeight = relSplit[2]; // set the popup's height
				anchor.onclick = function() {
					acpopup(this.href, 'console', this.popupWidth,
							this.popupHeight);
					return false;
				};
				// plug all this information into our origainl window launch
				// function (acpopup)
			}
		}
	}
}

function do_stuff() {
	// alert('do_stuff');
	windowLinks(); // run our new function as soon as the page loads.
	// otherFunctions();
	// addInteractiveSearchInput();
	// roundedImages();
	// alert('hier: ');
}

addLoadEvent(function() {
	// roundedImages();
	windowLinks();
	// addInteractiveSearchInput();
});

function addInteractiveSearchInput() {
	if (!document.getElementById) { // Only run the function on browsers that
		return; // understand 'getElementById' - new browsers
	}
	var searchfield = document.getElementById("ssquery");
	var searchphrase = document.getElementById("sphrase");
	searchfield.onfocus = function() {
		if (this.value == searchphrase.value)
			this.value = '';
		else
			this.select();
	};
	searchfield.onblur = function() {
		if (this.value == '')
			this.value = searchphrase.value;
	};
}