function addCopy() {
			var body_element = document.getElementsByTagName('body')[0];
			var selection = window.getSelection();
			var pagelink = "<br></br> ...Copyright (C) Gerçek Bilim kaynağını göstermeden paylaşmak ve yayınlamak yasaktır,  <a href='" + document.location.href + "'>" + document.location.href + "</a>"  + " .";
			var copytext = selection + pagelink;
			var newdiv = document.createElement('div');
			newdiv.style.position = 'absolute';
			newdiv.style.left = '-99999px';
			body_element.appendChild(newdiv);
			newdiv.innerHTML = copytext;
			selection.selectAllChildren(newdiv);
			window.setTimeout(function() {
			body_element.removeChild(newdiv);
			},0);
			}
			document.oncopy = addCopy;