function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.lastIndexOf("@") == email.length-1) {  // @ must not be the last character
        return false;
    } else if (email.lastIndexOf(".") == email.length-1) {  // . must not be the last character
        return false;
    }

	
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

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

function SymError()
{
  return true;
}

window.onerror = SymError;

function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=lib_bwcheck();

function fnResize()
{
	var obj;		        
	if (bw.ns6 == 1) {
		obj = document.getElementById("termswindow");
		window.resizeTo(obj.offsetWidth, obj.offsetHeight+15);	
		window.moveTo(50, 50);
	}
	
	if (bw.ns4 == 1) {
		obj = window.document.layers.termswindowDiv;
		var vWidth = parseFloat(obj.clip.width);
		var vHeight = parseFloat(obj.clip.height);
		window.resizeTo(vWidth, vHeight-12);
		window.moveTo(50, 50);
	
	}        	        

	if (bw.ie == 1) {
		obj = window.termswindow;
		window.resizeTo(obj.clientWidth+10, obj.clientHeight+36);
		window.moveTo(50, 50);
	}
}