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