// JavaScript Document
function checkEmail(emailid){
	var result=false
	var theStr=new String(emailid)
	var index=theStr.indexOf("@");
	if(index>0){
		var pindex = theStr.indexOf(".",index);
		if ((pindex > index+1) && (theStr.length > pindex+2)){
			result = true;
		}
	}
	return result;
}
function freeOfSpecial(fieldVal){
	var inputVal=fieldVal;
	var iChars="!~#$%^&*()=-[]\\\';/{}|\":<>?";
	for(var i=0;i<inputVal.length;i++) {
		if(iChars.indexOf(inputVal.charAt(i))!=-1){
//			alert ("Your username has special characters. \nThese are not allowed.\n Please remove them and try again.");
			return false;
		}
	}
	return true;
}
function trim(inputString) {
	if(typeof(inputString)!="string"){ 
		return inputString; 	//i.e. return unchanged
	}
	var retValue=inputString;
//	if(freeOfSpecial(retValue)){
		var ch=retValue.substring(0, 1);
		while (ch == " ") {
			retValue = retValue.substring(1, retValue.length);
			ch = retValue.substring(0, 1);
		}
		ch = retValue.substring(retValue.length-1, retValue.length);
		while (ch == " ") {
			retValue = retValue.substring(0, retValue.length-1);
			ch = retValue.substring(retValue.length-1, retValue.length);
		}
		while (retValue.indexOf("  ") != -1) {
			retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
		}
//	}
//	else{
//		alert("Please don't use any special characters.");	
//		return false;
//	}
	return retValue;
}