function hog_switch(element){

document.getElementById('tab_cookingOff').style.display='none';
document.getElementById('tab_dressingOff').style.display='none';
document.getElementById('tab_dippingOff').style.display='none';
document.getElementById('tab_drizzlingOff').style.display='none';

document.getElementById('tab_homeContent').style.display='none';
document.getElementById('tab_cookingContent').style.display='none';
document.getElementById('tab_dressingContent').style.display='none';
document.getElementById('tab_dippingContent').style.display='none';
document.getElementById('tab_drizzlingContent').style.display='none';

document.getElementById('tab_cookingOn').style.display='inline';
document.getElementById('tab_dressingOn').style.display='inline';
document.getElementById('tab_dippingOn').style.display='inline';
document.getElementById('tab_drizzlingOn').style.display='inline';

document.getElementById(element+'On').style.display='none'; 
document.getElementById(element+'Off').style.display='inline'; 
document.getElementById(element+'Content').style.display='block';

}

function hog_validateForm(form){
var incomplete=0;
var error= Array();

var emailCheck1 = form.hog_contactFriendEmail.value;
var emailCheck2 = form.hog_contactYourEmail.value;

var emailRegularExpression =  /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

var splitInput1 = emailCheck1.split(emailRegularExpression);
var splitInput2 = emailCheck2.split(emailRegularExpression);


var ismatchEmail1 = emailRegularExpression.test(emailCheck1);
var ismatchEmail2 = emailRegularExpression.test(emailCheck2);

for(var i=0;i<form.elements.length;i++)
  {
    if(form.elements[i].name!="send")
	{
	  if(form.elements[i].value=="")
        {
		  document.getElementById(form.elements[i].name).style.backgroundColor="#FFFF99";
	 	  document.getElementById(form.elements[i].name+"Error").style.display="block";
		  //document.getElementById(form.elements[i].name+"Error").style.height="16px";
		  document.getElementById(form.elements[i].name+"Error").innerHTML =form.elements[i].title;
		  incomplete++;
        }
	 else
	   {
	    document.getElementById(form.elements[i].name).style.backgroundColor="#FFF";
	 	document.getElementById(form.elements[i].name+"Error").style.display="none";
		//document.getElementById(form.elements[i].name+"Error").style.height="0px";
		document.getElementById(form.elements[i].name+"Error").innerHTML = "";
	   }
    }
  }
if(incomplete > 0)
  {
	error[1] = 'Please complete the form';
  }

  
if(!ismatchEmail1)
{
 error[0] = "please enter a valid email addtess";
 document.getElementById('hog_contactFriendEmail').style.backgroundColor="#FFFF99";
 //document.getElementById('hog_contactFriendEmailError').style.height="16px";
 document.getElementById('hog_contactFriendEmailError').style.display="block";
 document.getElementById('hog_contactFriendEmailError').innerHTML ="Please eneter a valid email address";
}

if(!ismatchEmail2)
{
 error[0] = "please enter a valid email addtess";
 document.getElementById('hog_contactYourEmail').style.backgroundColor="#FFFF99";
 document.getElementById('hog_contactYourEmailError').style.display="block";
 //document.getElementById('hog_contactYourEmailError').style.height="16px";
 document.getElementById('hog_contactYourEmailError').innerHTML ="Please eneter a valid email address";
}  
  
var errorLength = error.length;
if(error.length>0)
{
  //for(var i=0;i<errorLength;i++)
   //{
	// if(error[i])
	 // {
	  // alert(error[i]);
	  //}
   //}
  return false;
}

else
{
return true;
}
  
}