function checkFields() {
missinginfo = "";

if (document.customer.email.value == "") 
    {
      missinginfo += "\n     -  Email";
    }






if (missinginfo != "")  
{
  missinginfo ="_____________________________\n" + "You failed to correctly fill in your:\n" + missinginfo + "\n_____________________________" + "\nPlease re-enter and submit again!";

alert(missinginfo);

return false;


}
else return true;
}





function submission() 
  {
  
      var div=0;
      var blocks=0;
      var result=0;
      missing = "";

if (document.submitform.firstlast.value == "") 
    {
    
      
     
      missing += "\n     -  First and Last Name";
    }
    
    
    
  if (document.submitform.email.value == "") 
    {
      missing += "\n     -  Email";
    }

  if(document.submitform.adimage.value == "") 
    {
      missing += "\n     -  Ad Image File";
    }

  if (missing != "")  
   {
    missing ="_____________________________\n" + "You failed to correctly fill in your:\n" + missing + "\n_____________________________" + "\nPlease re-enter and submit again!";

    alert(missing);

   return false;


  }
        
        
        
     else 
     
         {   
        
         
           
         return true;
         
         
         }



  }
  
  
  
  
  
  
  function calculate ()
  
  {
  
      var div1=0;
      var blocks1=0;
      var result1=0;
      var result2=0;
      
  blocks1=document.BuyPixels.blocks.value; 
  
  
  
      if(document.BuyPixels.blocks.value == ""  || blocks1< 1) 
    {
      alert("Enter Correct Number of Blocks to Buy!!!!");
      return false;
    }
    
    
     
    
    
    else
    {
       
         
         div1=blocks1/5;
         
         result1=((blocks1-Math.floor(div1))*60);
         result2=((blocks1-Math.floor(div1))*60)/blocks1;
         
         document.BuyPixels.price.value="$" + result1;
         document.BuyPixels.amount.value=result2;
         document.BuyPixels.quantity.value=blocks1;
        
         return true;
    
    }
    
    
    if(document.BuyPixels.price.value == "") 
    {
      alert("Enter Number of Blocks to Buy/n and click Calculate Price!!!!");
      return false;
    }
      

  
  
  }