function CheckEmailAddress(str, fieldname) {
		str=trim(str)
		var at="@"
		var dot="."
var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		var infield = str
if (str.indexOf(at)==-1){
		   alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr || ldot == lstr-1){
		   alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot) ==lstr){
		    alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		    return false
		}

		if(str.toUpperCase().indexOf("SWITCHEMAIL") != -1){
		    alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		    return false
		 }
		
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid email address " + infield + ". Please enter correct '" + fieldname + "'!")
		    return false
		 }				

 		 return true					
	}
	
	
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