function preventSelection(b){return;var c=false;function a(a,c,b){if(a.attachEvent)a.attachEvent("on"+c,b);else a.addEventListener&&a.addEventListener(c,b,false)}function d(){if(window.getSelection)window.getSelection().removeAllRanges();else document.selection&&document.selection.clear&&document.execCommand("unselect")}function e(a){var a=a||window.event,b=a.target||a.srcElement;if(b.tagName.match(/INPUT|TEXTAREA/i))return;var c=a.keyCode||a.which;if(a.ctrlKey&&c=="A".charCodeAt(0)){d();if(a.preventDefault)a.preventDefault();else a.returnValue=false}}a(b,"mousemove",function(){c&&d()});a(b,"mousedown",function(a){var a=a||window.event,b=a.target||a.srcElement;c=!b.tagName.match(/INPUT|TEXTAREA/i)});a(b,"mouseup",function(){c&&d();c=false});a(b,"keydown",e);a(b,"keyup",e)}