function checkfrm()
{
	var frm1=document.frm;	

	if (frm1.Min.value!="")
	{
	
	  var checkOK = "0123456789";
	  var checkStr = frm.Min.value;
	  var allValid = true;
	  var decPoints = 0;
	  var allNum = "";
	  for (i = 0;  i < checkStr.length;  i++)
	  {
		ch = checkStr.charAt(i);
	    for (j = 0;  j < checkOK.length;  j++)
		  if (ch == checkOK.charAt(j))
			break;
		  if (j == checkOK.length)
		    {
		      allValid = false;
		      break;
		    }
		  allNum += ch;
	  }

	if (!allValid)
	  {
		alert("Please Enter only digit characters");
	    frm1.Min.focus();
		return (false);
	   }
    
	}

	if (frm1.Max.value!="")
	{
	
	  var checkOK = "0123456789";
	  var checkStr = frm.Max.value;
	  var allValid = true;
	  var decPoints = 0;
	  var allNum = "";
	  for (i = 0;  i < checkStr.length;  i++)
	  {
		ch = checkStr.charAt(i);
	    for (j = 0;  j < checkOK.length;  j++)
		  if (ch == checkOK.charAt(j))
			break;
		  if (j == checkOK.length)
		    {
		      allValid = false;
		      break;
		    }
		  allNum += ch;
	  }

	if (!allValid)
	  {
		alert("Please Enter only digit characters");
	    frm1.Max.focus();
		return (false);
	   }
    
	}
    
    return true;
}