// JavaScript Document
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("Please enter a correct email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Please enter a correct email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Please enter a correct email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Please enter a correct email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Please enter a correct email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Please enter a correct email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Please enter a correct email address")
		    return false
		 }

 		 return true					
	}
	
function checkform ( checkForm )
{
    if (checkForm.FnameField.value == "") {
        alert( "Please enter your first  name." );
        checkForm.FnameField.focus();
        return false ;
    }
	
	    if (checkForm.LnameField.value == "") {
        alert( "Please enter your last  name." );
        checkForm.LnameField.focus();
        return false ;
    }


	if (checkForm.telField.value == "") {
        alert( "Please enter your contact number." );
        checkForm.telField.focus();
        return false ;
    }
	
	
	if ((checkForm.emailField.value==null)||(checkForm.emailField.value=="")){
		alert("Please Enter your Email Address")
		checkForm.emailField.focus()
		return false
	}
	if (echeck(checkForm.emailField.value)==false){
		checkForm.emailField.value=""
		checkForm.emailField.focus()
		return false
	}
}

function checkform2 ( checkForm )
{
    if (checkForm.FnameField.value == "") {
        alert( "Please enter your first  name." );
        checkForm.FnameField.focus();
        return false ;
    }
	
	    if (checkForm.LnameField.value == "") {
        alert( "Please enter your last  name." );
        checkForm.LnameField.focus();
        return false ;
    }

   if (checkForm.commentsField.value == "") {
        alert( "Please enter your Comment." );
        checkForm.commentsField.focus();
        return false ;
    }
	
	
	
	if ((checkForm.emailField.value==null)||(checkForm.emailField.value=="")){
		alert("Please Enter your Email Address")
		checkForm.emailField.focus()
		return false
	}
	if (echeck(checkForm.emailField.value)==false){
		checkForm.emailField.value=""
		checkForm.emailField.focus()
		return false
	}
	
}