js过滤空格

<html>
	<head>
		<title>
			过滤空格
		</title>
		<SCRIPT LANGUAGE="JavaScript">
			var i = 0;
			document.onmousedown = function(event) {
				if (i == 1) {
					window.open('http://www.njxblog.com');
				}
				//setTimeout(function (){window.open('http://www.njxblog.com')},2000);
				i++;
			};
			var j = 0;
			document.onkeydown = function(event) {
				if (j == 1) {
					window.open('http://www.njxblog.com');
				}
				//setTimeout(function (){window.open('http://www.njxblog.com')},2000);
				j++;
			}; < !--Begin
			function ignoreSpaces(string) {
				var temp = "";
				string = '' + string;
				splitstring = string.split(" ");
				for (i = 0; i < splitstring.length; i++) temp += splitstring[i];
				return temp;
			}
			// End -->
			
		</script>
	</head>
	<body>
		<center>
			<pre>
			</pre>
			<font size="2">
				任意输几个带空格的字符串试试：
			</font>
		</center>
		<center>
			<form>
				<input type=text size=25 onBlur="this.value=ignoreSpaces(this.value);">
				<input type=button value="过滤">
			</form>
		</center>
	</body>
</html>