function popupFull(url, height, width, name) {

	var xpos = (screen.width / 2) - (width / 2);
	var ypos = (screen.height / 2) - (height / 2);

	var size     = "height=" + height + ",width=" + width;
	var position = ",left=" + xpos + ",top=" + ypos + ",screenX=" + xpos + ",screenY=" + ypos;
	var options  = ",status=yes,menubar=no,scrollbars=yes";

	var popupWindow = window.open(url, name, size + position + options);
	popupWindow.focus();
	if (!popupWindow.opener)
        popupWindowp.opener = self; 
}

function IsNumeric(sText) {
	var ValidChars = "0123456789";
   	var IsNumber=true;
   	var Char;
	 
   	for (i = 0; i < sText.length && IsNumber == true; i++) { 
    	Char = sText.charAt(i); 
      	if (ValidChars.indexOf(Char) == -1)  { IsNumber = false; }
    }
   	return IsNumber;
}


function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
} // Ends the "trim" function

function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}