function submit_searchForm(){
		var string = document.getElementById("searchF").value;
		var iChars = "!@#$%^&*()+=-[]\';,./{}|\":<>?";
		for (var i = 0; i < string.length; i++) {
			if (iChars.indexOf(string.charAt(i)) != -1) 
			{
				document.getElementById("searchF").value="";
				return false;
			}
		}
		document.getElementById("searchForm").submit();
	}