function selectSearchForm() {
	if (document.searchbyname) {
		document.searchbyname.search_for.focus(); 
		document.searchbyname.search_for.select();
	}
	if (document.basicsearchbyname) {
		document.basicsearchbyname.search_for.focus() ;
		document.basicsearchbyname.search_for.select() ;
	}
	if (document.advancedsearchbyname) {
		document.advancedsearchbyname.scientific_name.focus() ;
		document.advancedsearchbyname.scientific_name.select() ;
	}
}

function checkSearchForm() {
	if (document.searchbyname) {
		if ( document.searchbyname.search_for.value  == "") {
			alert ("Enter a scientific or common name and click on the arrow") ;
			document.searchbyname.search_for.focus(); 
			document.searchbyname.search_for.select();
			return false ;
		}
	}
}

function showLayer(id, action){
	if (document.all)  {
		if (eval("document.all." + id)) {
			eval("document.all." + id + ".style.visibility='" + action + "'");
		}
	} else if (document.getElementById) {
		if (document.getElementById(id)) {
			eval("document.getElementById('" + id + "').style.visibility='" + action + "'");
		}
	} else {
		if (eval("document." + id)) {
			eval("document." + id + ".visibility='" + action + "'");
		}
	}
}

function getBrowserType() {
	if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById) type="Opera";	
	else if (navigator.userAgent.indexOf("Safari")!=-1) type="Safari";	
	else if (navigator.userAgent.indexOf("iCab")!=-1) type="iCab";	
	else if (document.all) type="Internet Explorer";
	else if (document.layers) type="Netscape";	//Netscape Communicator 4
	else if (!document.all && document.getElementById) type="Mozilla"; //Mozila e.g. Netscape 6 upwards
	else type = "??";		//I assume it will not get here
	return type ;
}

function getPlatform() {
	browserInfo = navigator.userAgent.toLowerCase() ;
	if (browserInfo.indexOf("win")!=-1) {
		platform = "Windows" ;
	} else if (browserInfo.indexOf("mac")!=-1) {
		platform = "Macintosh" ;
	} else {
		platform = "??" ;
	}
	return platform ;
}

/*
//Disable right mouse click Script
var message="";

///////////////////////////////////
function clickIE4(){
if (event.button==2){
alertMessage(message)
return false;
}
}

function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){
alertMessage(message)
return false;
}
}
}

if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
document.onmousedown=clickIE4;
}

document.oncontextmenu=new Function("alertMessage(message); return false")
*/

function alertMessage(message) {
	if (message != "") {
		alert (message) ;
	} 
}