// Function for opening new browser window
	function MM_openWindow(url, name, args) {
		if (typeof(popupWin) != "object"){
			popupWin = window.open(url,name,args);
		} else {
			if (!popupWin.closed){ 
				popupWin.location.href = url;
			} else {
				popupWin = window.open(url, name,args);
			}
		}
		popupWin.focus();
	}


	function display(url) {
		mediumWin = window.open(url, 'display','status=0,toolbar=0,directories=0,menubar=1,location=0,resizable=0,scrollbars=yes,width=620,height=420');
		mediumWin.focus();
		}


	function viewmap(url) {
		mediumWin = window.open(url, 'display','status=0,toolbar=0,directories=0,menubar=1,location=0,resizable=0,scrollbars=no,width=620,height=420');
		mediumWin.focus();
		}

		
	function ChooseStylesheet(strStyle) {
		document.getElementById('Small').disabled = true;
		document.getElementById('Medium').disabled = true;
		document.getElementById('Large').disabled = true;
		
		document.getElementById(strStyle).disabled = false;
		createCookie('ActiveStylesheet', strStyle, 90);
		
		document.getElementById('Link_Small').innerHTML = 'A';
		document.getElementById('Link_Medium').innerHTML = 'A';
		document.getElementById('Link_Large').innerHTML = 'A';
		
		document.getElementById('Link_' + strStyle).innerHTML = '<b>A</b>';
		
	}
	
	function createCookie(name,value,days) {
  		if (days) {
    		var date = new Date();
    		date.setTime(date.getTime()+(days*24*60*60*1000));
    		var expires = "; expires="+date.toGMTString();
  		}
  		else expires = "";
  		document.cookie = name+"="+value+expires+"; path=/";
	}
	
	
	
	function readCookie(name) {
  		var nameEQ = name + "=";
  		var ca = document.cookie.split(';');
  		for(var i=0;i < ca.length;i++) {
    		var c = ca[i];
    		while (c.charAt(0)==' ') c = c.substring(1,c.length);
    			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  		}
  	return null;
	}