function openWin(page,winName,xWidth,yHeight){
  	window.open(page,winName,'width='+xWidth+',height='+yHeight+',toolbar=no,location=no,status=no,menubar=no,scrollbars=Yes,resizable=Yes,top=0,left=0');
  }
  function openPic(page,winName,xWidth,yHeight){
  	window.open(page,winName,'width='+xWidth+',height='+yHeight+',toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,top=0,left=0');
  }
  function openWith(page,winName,xWidth,yHeight){
	window.open(page,winName,'width='+xWidth+',height='+yHeight+',toolbar=yes,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,top=0,left=0');
  }
  function search(where){
        window.location=('results.asp?keyword='+where);
  }


//confirm deletion
function confirmMe(msg)
{
var agree=confirm(msg);
if (agree)
	return true ;
else
	return false ;
}



//--------------validation
// email
function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits
function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral
function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// username - 4-10 chars, uc, lc, and underscore only.
function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       


// non-empty textbox
function isEmpty(strng, str) {
var error = "";
  if (strng.length == 0) {
     error = "The mandatory text area '"+str+"' has not been filled in.\n"
  }
return error;	  
}

// was textbox altered
function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen
function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list
function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}    

// check checkbox
function checkCheckbox(bool) {
var error = "";
    if (bool == false) {
    error = "You have to agree to the Term & Conditions\n";
	}
return error;
}


// compare
function compare(strng1, strng2) {
var error="";
  if (strng1 != strng2){
    error = "Confirmation field is different\n";
  }	
return error;    
}