function toggleMap(mp, sp) {
	
		xmlHttp=GetXmlHttpObject()
	
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	var url="returnSpeciesMap.php";
	url=url+"?mp="+mp+"&sp="+sp;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	
}

function stateChanged() {
	
	if((xmlHttp.readyState == 4)&&(xmlHttp.status == 200)) {
		
		document.getElementById("map").innerHTML= xmlHttp.responseText;
		
	}else{
		
		document.getElementById("map").innerHTML= "<img src='/imgs/ajaxloader.gif' /><br /><br />Loading...";
		
	}
	
}

function GetXmlHttpObject() {
	
	var xmlHttp=null;
	
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	
	catch (e) {
		// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		
		catch (e) {
			
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			
		}
		
	}
	
	return xmlHttp;
	
}