	function checkform(theform){
		var why = "";
		 
		if(theform.txtInput.value == ""){
			why += "- Security code should not be empty.\n";
		}
		if(theform.txtInput.value != ""){
			if(ValidCaptcha(theform.txtInput.value) == false){
				why += "- Security code did not match.\n";
			}
		}
		if(why != ""){
			alert(why);
			return false;
		}
	}
 

//Generates the captcha function    
	var a = Math.ceil(Math.random() * 9)+ '';
	var b = Math.ceil(Math.random() * 9)+ '';       
	var c = Math.ceil(Math.random() * 9)+ '';  
	var d = Math.ceil(Math.random() * 9)+ '';  
	var e = Math.ceil(Math.random() * 9)+ '';  
	  
	var code = a + b + c + d + e;
	document.getElementById("txtCaptcha").value = code;
	document.getElementById("txtCaptchaDiv").innerHTML = code;	

// Validate the Entered input aganist the generated security code function   
function ValidCaptcha(){
	var str1 = removeSpaces(document.getElementById('txtCaptcha').value);
	var str2 = removeSpaces(document.getElementById('txtInput').value);
	if (str1 == str2){
		return true;	
	}else{
		return false;
	}
}

// Remove the spaces from the entered and generated code
function removeSpaces(string){
	return string.split(' ').join('');
}
