function validateZIP(field) {
			var valid = "0123456789-";
			var hyphencount = 0;

			if (field.length!=5 && field.length!=10) {
				return false;
			}
			for (var i=0; i < field.length; i++) {
				temp = "" + field.substring(i, i+1);
				if (temp == "-") hyphencount++;
					if (valid.indexOf(temp) == "-1") {
						//alert("Invalid characters in your zip code.  Please try again.");
					return false;
					}
					if ((hyphencount > 1) || ((field.length==10) && ""+field.charAt(5)!="-")) {
						//alert("The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'.   Please try again.");
					return false;
				   }
			}
			return true;
		}
		
		
function IsChar(sText)
{
   var ValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
   var IsChar=true;
   var Char;

   for (i = 0; i < sText.length && IsChar == true; i++) 
   { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
      {
         IsChar = false;
      }
   }
   return IsChar;
}


function IsNumber(sText)
{
   var ValidNumbers = "0123456789";
   var IsNumber=true;
   var chrNumber;

   for (i = 0; i < sText.length && IsNumber == true; i++) 
   { 
      chrNumber = sText.charAt(i); 
      if (ValidNumbers.indexOf(chrNumber) == -1) 
      {
         IsNumber = false;
      }
   }
   return IsNumber;
}


function validateAMOUNT(field) {
			var valid = "0123456789.";
			var dotcount = 0;

			for (var i=0; i < field.length; i++) {
				temp = "" + field.substring(i, i+1);
				if (temp == ".") dotcount++;
					if (valid.indexOf(temp) == "-1") {
						//alert("Invalid characters in your zip code.  Please try again.");
					return false;
					}
					if (dotcount > 1) {
						//alert("The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'.   Please try again.");
					return false;
				   }
			}
			return true;
		}   
   
function trim(strValue) {
	return ((new String(strValue)).replace(/(^\s*)|(\s*$)/g, ""));
}

function confirmDelete()
{
	var agree=confirm("Are you sure you wish to continue?");
	return(agree);
}