function validateForm(){
	
		var nameRef = document.getElementById("name");
		var emailRef = document.getElementById("email");
		var phoneRef = document.getElementById("phone");
		
		if(validateName(nameRef) && validatePhoneNumber(phoneRef) && validateEmail(emailRef) ){
			
			return true;
		}else{
			//alert("false");
			return false;
		}
		return false;
	} 
	

	
	/* This method escapes the String characters there in the string. */
function escapeCharacter(str)
{
		var buffer = "";
		for(var i=0;i<str.length;i++)
		{
			switch(str.charAt(i))
			{
					
				case  '\"' : buffer+="&#34;";
								 break;				
				case  '\'' : buffer+="&#39;";
								 break;		
				case  '\\'  : buffer+="&#92;";
								break;	
				default    : buffer+=str.charAt(i);			 			
			}
		}
		return buffer;
}


	function validateDescription(descriptionRef){
		descriptionRef.value = trim(descriptionRef.value);
		if(descriptionRef.value == "" ){
			var aler = alert("Description is Empty! Please enter.");
			descriptionRef.focus();
			return false;
			
		}else{
			return true;
		}			
	}
	

	// Name field validation
	function validateName(nameRef){
		nameRef.value = trim(nameRef.value);
		if(nameRef.value == "" ){
			alert("Name column is empty! Plese enter.");
			nameRef.focus();
			return false;
		}else{
			return true;
		}	
		/*var alphaExp = /^[a-zA-Z ]+$/;
		if(nameRef.value.match(alphaExp)){
			return true;
		}else{
			alert("Invalid Name, Please enter again");
			nameRef.focus();
			return false;
		}*/
	}
	
	
	function validateEmail(emailRef) {
		
		emailRef.value = trim(emailRef.value);
		
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(emailRef.value)){
			return true;
		}
		if(emailRef.value == "" ){
			alert("E-mail column is empty! Plese enter.");
		}else{
			alert(emailRef.value + "   is invalid E-mail Address! Please re-enter.");
		}
		emailRef.focus();
		return false;
	}
	
	function trim(string)
	{
	  if(string == null || string.length == 0)
	  {
		return "";
	  }
	  string = RTrim(string);
	  string = LTrim(string);
	  return string;
	}
	
	
	function RTrim(string)
	{
		var w_space = String.fromCharCode(32);
	    var v_length = string.length;
	    var strTemp = "";
	
		if(v_length <= 0)
		{
	      return "";
	    }
	    var iTemp = v_length -1;
		while(iTemp > -1)
		{
	      if(string.charAt(iTemp) != w_space)
		  {
	        strTemp = string.substring(0,iTemp +1);
	        break;
	      }
	      iTemp = iTemp-1;
	    }
	    return strTemp;
	}
	
	
	 function LTrim(string)
	 {
		var w_space = String.fromCharCode(32);
		if(v_length <= 0)
		{
			return "";
	    }
	    var v_length = string.length;
	    var strTemp = "";
	    var iTemp = 0;
		while(iTemp < v_length)
		{
	      if(string.charAt(iTemp) != w_space)
		  {
	        strTemp = string.substring(iTemp,v_length);
	        break;
	      }
	      iTemp = iTemp + 1;
	   }
	   return strTemp;
	}
	
/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 4;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function validatePhoneNumber(Phone){
	//var Phone=phoneRef.value.
	Phone.value = trim(Phone.value);
	//if ((Phone.value==null)||(Phone.value=="")){
	if (Phone.value==""){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		//Phone.value=""
		Phone.focus()
		return false
	}
	return true
 }