function echeck(str) {

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

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

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

 		 return true					
	}

function formValidator()
{    
    var form_object = document.myform;    

	if(form_object.fname.value == ''){        
		alert('You must enter your FIRST NAME');
		form_object.fname.focus();        
		return false;    
	} else if(form_object.lname.value == ''){        
		alert('You must enter your LAST NAME');
		form_object.lname.focus();
		return false;    
	} else if(form_object.email.value == ''){        
		alert('You must enter your EMAIL');        
		form_object.email.focus();
		return false;    
	} else if(form_object.address.value == ''){        
		alert('You must enter your ADDRESS');        
		form_object.address.focus();
		return false;    
	} else if(form_object.city.value == ''){        
		alert('You must enter your CITY');        
		form_object.city.focus();
		return false;    
	} else if(form_object.state.value == ''){        
		alert('You must enter your STATE');        
		form_object.state.focus();
		return false;    
	} else if(form_object.zipcode.value == ''){        
		alert('You must enter your ZIP CODE');        
		form_object.zipcode.focus();
		return false;    
	} else if(form_object.country.value == ''){        
		alert('You must enter your COUNTRY');        
		form_object.country.focus();
		return false;    
	} else if (echeck(form_object.email.value)==false){
		form_object.email.focus();
		return false;
	}

	return true;
}