function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function changeimage(ID,newimagepath)
{
document.getElementById(ID).src=newimagepath;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}


function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function setfocus()
{
document.login.user.focus()
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

function check() {
  var ext = document.f.main.value;
  ext = ext.substring(ext.length-3,ext.length);
  ext = ext.toLowerCase();
  if(ext != 'jpg') {
    alert('You selected a .'+ext+
          ' file; please select a .jpg file instead!');
    return false; }
  else
    return true; }

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&id.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}


function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function GP_popupConfirmMsg(msg) { //v1.0
  document.MM_returnValue = confirm(msg);
}

function launchRemote(newURL, newName, newParams) {
   Remote = window.open(newURL, newName, newParams);
   if (Remote.opener == null) Remote.opener = window;
   Remote.opener.name = "target_chicagoGuideJS";
   return;
  }
  
  function toggleshow(target)
{ obj=(document.all) ? document.all[target] : document.getElementById(target);
  obj.style.display=(obj.style.display=='none') ? 'inline' : 'inline';
}

function togglehide(target)
{ obj=(document.all) ? document.all[target] : document.getElementById(target);
  obj.style.display=(obj.style.display=='none') ? 'none' : 'none';
}

function noenter() {
  return !(window.event && window.event.keyCode == 13); 
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function toggle(target)
{ obj=(document.all) ? document.all[target] : document.getElementById(target);
  obj.style.display=(obj.style.display=='none') ? 'inline' : 'none';
}
function divslide(target)
{
obj=(document.all) ? document.all[target] : document.getElementById(target);
obj.position="absolute";
obj.visability="visable";
}

function changeclass(id, newClass) {
identity=document.getElementById(id);
identity.className=newClass;
}

function KeyPress() 
{
//alert(window.event.keyCode)
if (window.event.keyCode == 13)
window.event.keyCode =0;
}

function fullScreen(theURL) {window.open(theURL, '', 'fullscreen=yes, scrollbars=auto');}

function numericonly()
{

var intKeyCode = 0;
var intReturn = 0;
var strTagName = "";

// Which browser?
if( document.all )
{
	  // IE
	  intKeyCode = event.keyCode;
	  intReturn = event.returnValue;
}
else
{
	  // Non IE
	  intKeyCode = e.which;
	  intReturn = e.returnValue;	  
}

if (intKeyCode < 45 || intKeyCode > 57) {
	intReturn = false;
	alert('Only numbers can be entered into this field.');
	}
}

var ajax_status='ready';
function ajax(url, parameters, updatediv, divIDtoupdate, debug) {
	  if (ajax_status!='busy') {
	  ajax_status='busy';
   	  var CMCdivIDtoupdate = divIDtoupdate;
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
	  
	  var isAsyncRequest = true;

	  
      if (!http_request) {
         //alert('Cannot create XMLHTTP instance');
         return false;
      }
      
	  if (updatediv) {	  
		  
		  if (debug) {
		  alert(divIDtoupdate + ' will be updated');
		  } 
	
	  http_request.onreadystatechange = function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
		 
            result = http_request.responseText;
			//alert(result);
			var divIDtoupdate;
			//only update if changed to prevent flicker
			//only update if it exists (may have beed removed)
            if (document.getElementById(CMCdivIDtoupdate)) {				
				document.getElementById(CMCdivIDtoupdate).innerHTML = result;   
			}         
				
         } else {
            
			//alert('There was a problem with the request.' + http_request.status + result);
         }
      }
   };
	  }     
	  //alert(url + '?' + 'nocache=' + Math.random() + '&' + parameters);
	  http_request.open('GET', url + '?' + 'nocache=' + Math.random() + '&' + parameters, true);
      http_request.send(null);
	  ajax_status='ready';
	  }
   }
   
function comparestrings(compthis,tothis)
{
compthis=compthis.toUpperCase();
tothis=tothis.toUpperCase();
	if (compthis==tothis) {	
	//alert(compthis + ' == ' + tothis + ' is same');
	return true;
	}
	else
	{
	//alert(compthis + ' == ' + tothis + ' is different');
	return false;
	}
}


function isValidEmail(str) {
   			return (str.indexOf(".") > 0) && (str.indexOf("@") > 0);
 
		}

function IsNumeric(fieldID)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.-";
   var strChar;
   var blnResult = true;
   var strString = document.getElementById(fieldID).value;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
		 alert('Only numbers can be entered into this field.');
		 document.getElementById(fieldID).value=stripAlphaChars(document.getElementById(fieldID).value);
         blnResult = false;
         }
      }
   return blnResult;
   }
   
function stripAlphaChars(pstrSource) 
{ 
 
	var m_strOut = new String(pstrSource); 
    m_strOut = m_strOut.replace(/[^0-9]/g, ''); 

    return m_strOut; 
}

function addLoadEvent(func) {
		var oldOnload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				oldOnload();
				if (func) {
					func();
			   }
			}
		}
	}
// -->