function openTerms()
{
	newwin = window.open("terms.html","terms","width=405,height=400,scrollbars=yes");
}

function openPrivacy()
{
	newwin = window.open("privacy.html","terms","width=405,height=400,scrollbars=yes");
}

function navOver(imgName)
{
 var theImage = document.getElementById(imgName);
 if(theImage.src.indexOf("_off.gif") != -1)
 {
  theImage.src = theImage.src.replace("_off.gif","_over.gif");
 }
 else
 {
  theImage.src = theImage.src.replace("_over.gif","_off.gif");
 }
}


function validateForm(theForm)
{
	valid = true;
	message = "Please enter your details in the following fields so we can deal with your enquiry:\n\n";
	if(theForm.elements["name"].value == "")
	{
		message += " - Name\n";
		valid = false;
	}
	
	var supEmail = theForm.elements["email"].value;
	var emLen = supEmail.length;
	var posAt = supEmail.indexOf('@')
	var posDot = supEmail.lastIndexOf('.')
	if((emLen < 7) || (posAt < 1) || (posDot <= (posAt + 1)) || (posDot >= (emLen - 1)))
	{
		message += " - A valid email address\n";
		valid = false;
	}
	if(theForm.elements["phone"].value == "")
	{
		message += " - Phone number\n";
		valid = false;
	}
	if(valid)
	{
		return true;
	}
	else
	{
		alert(message);
		return false;
	}
}

function validateSearch()
{
	keywordsElement = document.getElementById("textKeywords");
	if((keywordsElement.value == "") || (keywordsElement.value == "Part Number / Product Name"))
	{
		alert("Please enter keywords before searching");
		return false;
	}
	else
	{
		return true;
	}
}