function trim(inputString) 
{
	if (typeof inputString != "string") 
	{    return inputString;  }  
	var retValue1 = inputString;  
	var ch = retValue1.substring(0, 1); 
	while (ch == " ")  { // Check for spaces at the beginning of the string  
		retValue1 = retValue1.substring(1, retValue1.length);  
		ch = retValue1.substring(0, 1); 
		alert("Enter Valid  Entry")
		return true;
	}
	if (typeof inputString != "string") 
	{    return inputString;  }  
	var retValue1 = inputString;  
	var ch = retValue1.substring(0, 1); 
	var   ch = retValue1.substring(retValue1.length-1, retValue1.length); 
	while (ch == " "){ // Check for spaces at the end of the string  
		retValue1 = retValue1.substring(0, retValue1.length-1); 
		ch = retValue1.substring(retValue1.length-1, retValue1.length); 
		alert("Enter Valid  Entry");
	return true; 
	}   
	//retval=retValue1+'-'+retValue2; 
	return false;
}