function showhide()
 {
 
   if (document.getElementById('enqsubtype').value == "1") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-parkinfo-iframe.aspx' style='width:597px;height:1070px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "2") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-availability-iframe.aspx' style='width:597px;height:200px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "3") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-gbook-iframe.aspx' style='width:597px;height:1250px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "4") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-touring-iframe.aspx' style='width:597px;height:200px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "5") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-query-iframe.aspx' style='width:597px;height:1150px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "6") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-prom-iframe.aspx' style='width:597px;height:1250px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "7") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-gquery-iframe.aspx' style='width:597px;height:1150px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "8") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-brochure-iframe.aspx' style='width:597px;height:200px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "9") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-complaint-iframe.aspx' style='width:597px;height:1200px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "10") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-compliment-iframe.aspx' style='width:597px;height:1200px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "11") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-webhelp-iframe.aspx' style='width:597px;height:870px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "12") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-webfault-iframe.aspx' style='width:597px;height:870px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else if (document.getElementById('enqsubtype').value == "13") 
   {
   document.getElementById('booking').innerHTML = "<iframe src='enquiry-complaint-iframe.aspx' style='width:597px;height:1200px;border-width:0;margin-top:-17;' frameborder='0' scrolling='no'></iframe>";
   document.getElementById('booking').style.display='block';
   document.body.focus();
   window.scroll(0,440); // horizontal and vertical scroll targets
   }
   else document.getElementById('booking').style.display='none';
}