function setStyle(x)
{
document.getElementById(x).className ="white"
}
function setStyle2(x)
{
if (document.getElementById(x).value == "")
		{
document.getElementById(x).className ="blank"
		}
}

function showHideText(boxName,show) { 

if(boxName.checked == true) { 
 document.getElementById(show).style.display = "block";
} 
else { 
 document.getElementById(show).style.display = "none";
// this resets the check boxes when the main on is deselected.

 
if(!document.forms["sales"])
		return;
		
	if(show== "s320") { 
	 document.forms["sales"].elements["00N80000004b2Xl"].checked = false;
	 document.forms["sales"].elements["00N80000004b2Xq"].checked = false;
	 document.forms["sales"].elements["00N80000004b2Y0"].checked = false;
	 document.forms["sales"].elements["00N80000004b2ZI"].checked = false;
	}
	if(show== "s340") { 
	 document.forms["sales"].elements["00N80000004b2YF"].checked = false;
	 document.forms["sales"].elements["00N80000004b2YK"].checked = false;
	 document.forms["sales"].elements["00N80000004b2YP"].checked = false;
	 document.forms["sales"].elements["00N80000004b2YU"].checked = false;
	}
	if(show== "s390") { 
	 document.forms["sales"].elements["00N80000004b2Ye"].checked = false;
	 document.forms["sales"].elements["00N80000004b2Yj"].checked = false;
	 document.forms["sales"].elements["00N80000004b2Yo"].checked = false;
	 document.forms["sales"].elements["00N80000004b2Yt"].checked = false;
	}
	if(show== "s430") { 
	 document.forms["sales"].elements["00N80000004b2Z8"].checked = false;
	 document.forms["sales"].elements["00N80000004b2ZD"].checked = false;
	}
/*		
	var objCheckBoxes = document.forms["sales"].elements[show];
	if(!objCheckBoxes)
		return;
	var countCheckBoxes = objCheckBoxes.length;
	if(!countCheckBoxes)
		objCheckBoxes.checked = false;
	else
		// set the check value for all check boxes
		for(var i = 0; i < countCheckBoxes; i++)
			objCheckBoxes[i].checked = false;*/
}



}

    function validar(form){
	  
	  if (document.sales.first_name.value == "")
		{ alert("Please enter your first name."); document.sales.first_name.focus(); return false; }
		  if (document.sales.last_name.value == "")
		{ alert("Please enter your last name."); document.sales.last_name.focus(); return false; }
		
		document.sales.company.value = document.sales.first_name.value + " " + document.sales.last_name.value;
	 if (document.sales.phone.value == "")
		{ alert("Please enter your telephone number."); document.sales.phone.focus(); return false; }

     if (document.sales.email.value == "")
		{ alert("Please enter your email address."); document.sales.email.focus(); return false; }
				
		else{
		return true;
		}
    }