// JavaScript Document
function clearFields(){
	document.getElementById("cartype1").checked=true;
	document.getElementById("deposit").value="";
	document.getElementById("purchase").value="";
	document.getElementById("year").value="10";
	
}

function isNumeric(number) 
{   
    //check the digits, one by one    
    for (var i=0; i<number.length; i++) 
    {      
      if(! isValidDigit(number.charAt(i)))
         return false;
    } // end for
  return true;
}

function isValidDigit(num)
{
   if(num=="1"||num=="2"||num=="3"||num=="4"||num=="5"||
      num=="6"||num=="7"||num=="8"||num=="9"||num=="0"
      )
      return true;
   return false;
}

function testResults() 
{
   if (!isNumeric(document.getElementById("purchase").value) || document.getElementById("purchase").value=="") 
   {	
      alert(" Sorry, purchase price of car can only be in dollars, please enter again. "); 	
      return false;
   }    
   if (!isNumeric(document.getElementById("deposit").value)|| document.getElementById("deposit").value=="") 
   {
      alert(" Sorry, deposit amount can only be in dollars, please enter again. "); 	
      return false;
   } 
   return true;
}

function runSubmit()
{

	if (testResults())
	{
		var cartype="";
		if(document.getElementById("cartype1").checked){
			cartype=document.getElementById("cartype1").value;
		}else{
			cartype=document.getElementById("cartype2").value;
		}
		
		var purchase=document.getElementById("purchase").value;
		var deposit=document.getElementById("deposit").value;
		var year=document.getElementById("year").value;
		
		var address    =  overlay_path_secure + "secure/forms/calculators/carloan_results.jsp?";
		var addr = address + "cartype=" + cartype 
				   + "&deposit=" + deposit
				   + "&purchase=" + purchase
				   + "&year="  + document.getElementById("year").options[document.getElementById("year").selectedIndex].value
				   + "&keepThis=true&TB_iframe=true&height=480&width=550";
		//var win3 = window.open("", "what_I_want", option);
		//var win4 = window.open(addr, "what_I_want");
		tb_show("Car Financing Calculator", addr, false);
	}
}