function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function popUpWin(url, winName, width, height) {
   var features = "toolbar=no,menubar=no,scrollbars=yes,resizable=yes,width="+width+",height="+height+",top=200,left=200,screenX=200,screenY=200";
   window.open(url, winName, features);
}

function demoWin(url) {
   var features = "width=785,height=650,top=80,left=150,screenX=150,screenY=80,scrollbars=yes";
   window.open(url, "DEMO", features);
}

function isRadioButtonChecked(radio) {
    var isChecked = 0;
    if(!radio.length) {
        if (radio.checked) {
            isChecked = 1;
        }
    } else {
        for (i=0; i<radio.length; i++) {
            if (radio[i].checked) {
		isChecked = 1;
	        break;
	    }
        }
    }

    if (isChecked == 1) {
	return true;
    } else {
	return false;
    }
}

function checkEmail (strng) {
  if (strng == "") {
    return false;
  }

  var emailFilter=/^.+@.+\..{2,3}$/;
  if (!(emailFilter.test(strng))) { 
       return false;
  }else {
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          return false;
       }
    }
  return true;    
}

function checkPhone (strng) {
  if (strng == "") {
    return false;
  }
  var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); 
    if (isNaN(parseInt(stripped))) {
       return false;  
    }
    if (!(stripped.length == 10)) {
	return false;
    } 
return true;
}

function checkPassword (strng) {

  if (strng == "") {
    return false;
  }

    var illegalChars = /[\W_]/; 
    
    if ((strng.length < 6) || (strng.length > 8)) {
       return false;
    }
    else if (illegalChars.test(strng)) {
      return false;
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       return false;
    }  
  return true;    
}

function limitText(limitField, limitCount, limitNum) {
    if (limitField.value.length > limitNum) {
        limitField.value = limitField.value.substring(0, limitNum);
    } else {
        limitCount.value = limitNum - limitField.value.length;
    }
}

function entsub(event,form) {
  if (event && event.keyCode == 13)
    form.submit();
  else
    return true;
}

function login() {
  var msg = "";
  if(!checkEmail(document.forms[0].email.value)) {
    msg += "Please enter a valid E-mail Address.\n";
  }
  if(document.forms[0].password.value == "") {
    msg += "Please enter your password.\n";
  }
  if(msg != "") {
    alert(msg);
  } else {
    document.forms[0].submit();
  }
}