function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
    if ((obj=MM_findObj(args[i]))!=null) {
        v=args[i+2];
        if (obj.style) {
            obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; 
    }
    obj.visibility=v; 
  }
}

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&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_openBrWindow(theURL,winName,features) {window.open(theURL,winName,features);}
function checkEmail(checkThisEmail){
var myEMailIsValid = true;
var myAtSymbolAt = checkThisEmail.indexOf('@');
var myLastDotAt = checkThisEmail.lastIndexOf('.');
var mySpaceAt = checkThisEmail.indexOf(' ');
var myLength = checkThisEmail.length;
if (myAtSymbolAt < 1 ){myEMailIsValid = false}
if (myLastDotAt < myAtSymbolAt){myEMailIsValid = false}
if (myLength - myLastDotAt <= 2){myEMailIsValid = false}
if (mySpaceAt != -1){myEMailIsValid = false}
   return myEMailIsValid
}

String.prototype.trim = function(){return this.replace(/(^\s*)|(\s*$)/g, "");}

function emptyField(textObj){
	if (textObj.value.length == 0) return true;
	for (var i=0; i<textObj.value.length; i++) {
		var ch = textObj.value.charAt(i);
		if (ch != ' ' && ch != '\t') return false;	
	}
	return true;	
}

function LoadIMG(siteUrl){
    document.getElementById('captcha_numchar').src=siteUrl+'global/captcha.asp?'+Date();
}
function getNumbers(){var ch=event.keyCode;event.returnValue =((ch >= 48 && ch <= 57) || ch ==46);}