// http://www.dynamicdrive.com/dynamicindex9/noright2.htm
var clickmessage = "Sorry, this image is protected."
function disableclick( e ) {
	if ( document.all ) {
		if ( event.button == 2 || event.button == 3 ) {
			if ( event.srcElement.tagName == "IMG" ){
				alert( clickmessage );
				return false;
			}
		}
	} else if ( document.layers ) {
		if ( e.which == 3 ) {
			alert( clickmessage );
			return false;
		}
	} else if (document.getElementById){
		if (e.which==3&&e.target.tagName=="IMG"){
			alert(clickmessage);
			return false;
		}
	}
}
function associateimages() {
	for ( i=0; i < document.images.length; i++ ) {
		document.images[i].onmousedown = disableclick;
	}
	/*var imgReps = getElementsByClass( "img\-rep" );
	for ( i=0; i < imgReps.length; i++ ) {
		imgReps[i].onmousedown = disableclick;
	}*/
}
if (document.all) {
	document.onmousedown=disableclick;
} else if (document.getElementById) {
	document.onmouseup=disableclick;
} else if (document.layers) {
	associateimages();
}
	
// http://www.dustindiaz.com/getelementsbyclass/
/*function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}*/