var Ver4 = parseInt(navigator.appVersion) >= 4
var Nav4 = ((navigator.appName == "Netscape") && Ver4)
var IE4 = ((navigator.userAgent.indexOf("MSIE") != -1) && Ver4)
var searchWin;


function URLEncode(Token)
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var plaintext = Token;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" + ch + "' cannot be encoded using standard URL encoding.\n" +
				        "(URL encoding only supports 8-bit characters.)\n" +
						"A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

//	document.URLForm.F2.value = encoded;
    Token=encoded;
	return Token;
};

//window.name = "search";
//window.focus();

function DoOnLoad()
{
	window.document.searchform.S1.focus();
}

function DataAction_onclick() {
var tmpstr;
var URL;
        if ((document.searchform.S1.value == "" )) {
				alert("Please enter a search term.");
				return(false);
		 }		
tmpstr=URLEncode(document.searchform.S1.value)
        
		URL="http://www2a.cdc.gov/nioshtic-2/BuildQyr.asp?s1=" + tmpstr 
			+  "&f1=*&t1=&Adv=0&terms=1&Startyear=&EndYear=&Limit=10000&D1=10&sort=&PageNo=1&View=b&n=new"
		document.location.href = URL;
  return(false);  		
}

			//window.onload = function() {
			//	document.getElementById('clicker').onclick = function() {
			//		document.getElementById('toggle').className = (document.getElementById('toggle').className == 'show') ? '' : 'show';
			//	}
			//}