Javascript: Select text inside element (can be used with hover, focus, etc)

app.js

function SelectText(element) {
	var text = document.getElementById(element);
	if ($.browser.msie) {
		var range = document.body.createTextRange();
		range.moveToElementText(text);
		range.select();
	} else if ($.browser.mozilla || $.browser.opera) {
		var selection = window.getSelection();
		var range = document.createRange();
		range.selectNodeContents(text);
		selection.removeAllRanges();
		selection.addRange(range);
	} else if ($.browser.safari) {
		var selection = window.getSelection();
		selection.setBaseAndExtent(text, 0, text, 1);
	}
}