function ValidateForm1(theForm)
{
var strFilter = /^[-+]?\d*\.?\d*$/;
var chkVal = theForm.Editbox2.value;
if (!strFilter.test(chkVal))
{
   alert("Sorry, quantity must be at least 24");
   theForm.Editbox2.focus();
   return false;
}
var strValue = theForm.Editbox2.value;
if (strValue = !"" && !(strValue >= 23))
{
   alert("Sorry, quantity must be at least 24");
   theForm.Editbox2.focus();
   return false;
}
if (strValue = "")
{
   alert("Sorry, quantity must be at least 24");
   theForm.Editbox2.focus();
   return false;
}
return true;
}