//---------Trim start
function Trim(TRIM_VALUE){
if(TRIM_VALUE.length < 1){
return"";
}
TRIM_VALUE = RTrim(TRIM_VALUE);
TRIM_VALUE = LTrim(TRIM_VALUE);
if(TRIM_VALUE==""){
return "";
}
else{
return TRIM_VALUE;
}
} //End Function

function RTrim(VALUE){
var w_space = String.fromCharCode(32);
var v_length = VALUE.length;
var strTemp = "";
if(v_length < 0){
return"";
}
var iTemp = v_length -1;

while(iTemp > -1){
if(VALUE.charAt(iTemp) == w_space){
}
else{
strTemp = VALUE.substring(0,iTemp +1);
break;
}
iTemp = iTemp-1;

} //End While
return strTemp;

} //End Function

function LTrim(VALUE){
var w_space = String.fromCharCode(32);
if(v_length < 1){
return"";
}
var v_length = VALUE.length;
var strTemp = "";

var iTemp = 0;

while(iTemp < v_length){
if(VALUE.charAt(iTemp) == w_space){
}
else{
strTemp = VALUE.substring(iTemp,v_length);
break;
}
iTemp = iTemp + 1;
} //End While
return strTemp;
} 
//End Function

//------------------------------------------------------------------------------------
//Validation for email addresses
//------------------------------------------------------------------------------------
function emailcheck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){		   
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){		   
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){		  
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){		    
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){		    
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){		   
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){		    
		    return false
		 }

 		 return true					
}
//------------------------------------------
// Check whether numeric
//------------------------------------------
function IsNumeric(sString)
{
	var sValidChars = "0123456789";
	var sChar;
	var bResult = true;

	if (sString.length == 0) return false;

	for (i = 0; i < sString.length && bResult == true; i++)
	{
		sChar = sString.charAt(i);
		if (sValidChars.indexOf(sChar) == -1)
		{
			 bResult = false;
		}
	 }
	 
	 return bResult;
}