function checkThis() {
   if (document.formxx.c1.value=="") {
      alert ('Please enter your company name. Thank You.')
      return false
   }
   else if (document.formxx.c2.value=="") {
      alert ('Please enter your name. Thank You.')
      return false
   }
   else if (document.formxx.i1.value=="Unselected") {
      alert ('Please select at least one item for us to quote on. Thank You.')
      return false
   }
      else if (document.formxx.n1.value=="Unselected") {
      alert ('Please select the number of units required. Thank You.')
      return false
   }
   return true
}