_rooturl = "core.html";
_ldafailurl = "http://www.drinkaware.ie/";



function requestQuerystring( name ) {
  var regexS = "[\\?&]"+name+"=([^&]*)";
     var regex = new RegExp( regexS );
     var tmpURL = window.location.href;
     var results = regex.exec( tmpURL );
     if( results == null ){
        return "";
        }else{
         return results[1];
        }
}
     
if(requestQuerystring('go')!=""){
	
 if(Get_Cookie("passlda")=="true"){
    document.location = _rooturl + '?go='+requestQuerystring('go');
 }

}else{
    
    if(Get_Cookie("passlda")=="true"){
        document.location = _rooturl;
    }

}


function IsNumeric(sText){

   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;


   for (i = 0; i < sText.length && IsNumber == true; i++)
      {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1)
         {
         IsNumber = false;
         }
      }
   return IsNumber;

}

function validatedob(){


		if(document.getElementById('Day').value == "00"){
            //set image
            document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
			return false;
		}else{
			if(IsNumeric(document.getElementById('Day').value) == false ||document.getElementById('Day').value>31 || document.getElementById('Day').value<1){
				document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
                return false;
			}
		}
		if(document.getElementById('Month').value == "00"){
			document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
            return false;
		}else{
			if(IsNumeric(document.getElementById('Month').value) == false || document.getElementById('Month').value>12 || document.getElementById('Month').value<1){
				document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
                return false;

			}
		}
		if(document.getElementById('Year').value == "0000"){
			document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
            return false;
		}else{

			if(IsNumeric(document.getElementById('Year').value) == false ||document.getElementById('Year').value>2008 || document.getElementById('Year').value<1900){
				document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
                return false;

			}

		}


		var month = parseInt(document.getElementById('Month').value);
		var day = parseInt(document.getElementById('Day').value);
		var year = parseInt(document.getElementById('Year').value);

		var agevalue = document.getElementById('Country').value;
		age = agevalue.split(":");
		var lda_age = parseInt(age[0]);

		var bDate = new Date((year + lda_age), month, day);
		var today = new Date;


		if ((today.getTime() - bDate.getTime()) < 0 ) {
            
            document.getElementById('enter').src = 'images/LDA_basic_2_08.jpg';
			return false;

		} else {


			//set image
            document.getElementById('enter').src = 'images/LDA_basic_2_08_on.jpg';            
			return false;

		}

}

function lda(){

	
        if(document.getElementById('Country').value == "no"){
			document.getElementById('error').innerHTML = 'Please select a country.';
			return false;
		}
		if(document.getElementById('Day').value == "00"){
			document.getElementById('error').innerHTML ='Please enter a day.';
			return false;
		}else{
			if(IsNumeric(document.getElementById('Day').value) == false ||document.getElementById('Day').value>31 || document.getElementById('Day').value<1){

				document.getElementById('error').innerHTML = 'Please enter a valid day.';
				return false;

			}
		}
		if(document.getElementById('Month').value == "00"){
			document.getElementById('error').innerHTML ='Please enter a month.';
			return false;
		}else{
			if(IsNumeric(document.getElementById('Month').value) == false || document.getElementById('Month').value>12 || document.getElementById('Month').value<1){

				document.getElementById('error').innerHTML ='Please enter a valid month.';
				return false;

			}
		}
		if(document.getElementById('Year').value == "0000"){
			document.getElementById('error').innerHTML ='Please enter a year.';
			return false;
		}else{

			if(IsNumeric(document.getElementById('Year').value) == false ||document.getElementById('Year').value>2009 || document.getElementById('Year').value<1900){

				document.getElementById('error').innerHTML ='Please enter a valid year.';
				return false;

			}

		}


		var month = parseInt(document.getElementById('Month').value);
		var day = parseInt(document.getElementById('Day').value);
		var year = parseInt(document.getElementById('Year').value);

		var agevalue = document.getElementById('Country').value;
		age = agevalue.split(":");
		var lda_age = parseInt(age[0]);

		var bDate = new Date((year + lda_age), month, day);
		var today = new Date;

		if(lda_age==0) {
			document.location = _ldafailurl;
			return false;
		}

		if ((today.getTime() - bDate.getTime()) < 0 ) {

			document.location = _ldafailurl;
			return false;

		} else {

			if(document.getElementById('setcookie').checked==true){
				//setCookie();
				Set_Cookie( 'passlda', 'true', '30', '/', '', '' );
			}
			Set_Cookie( 'passlda', 'true', '1', '/', '', '' );
			document.location = _rooturl+ '?go='+requestQuerystring('go');
			return false;

		}
}


function Set_Cookie( name, value, expires, path, domain, secure ) {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct
	expires time, the current script below will set
	it for x number of days, to make it for hours,
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
	expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
	( ( path ) ? ";path=" + path : "" ) +
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}


function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}