function submitform() {

		var e = document.getElementById('show')

		str = trim(e.value);

		if(str.substr(0, 7) == 'http://'){

			e.value = str.substr(7);

		}

		document.forms["myform"].submit();

	}

	

	function trim(str, chars) {

		return ltrim(rtrim(str, chars), chars);

	}

	function ltrim(str, chars) {

		chars = chars || "\\s";

		return str.replace(new RegExp("^[" + chars + "]+", "g"), "");

	}



	function rtrim(str, chars) {

		chars = chars || "\\s";

		return str.replace(new RegExp("[" + chars + "]+$", "g"), "");

	}