function showTable()
{
		document.getElementById("table").innerHTML="";
		var li = 0; var elist = document.getElementsByName("elem"); for (var i=0; i<elist.length;i++) { if (elist[i].checked) { li = i; break; } }
		var wh = 0; var where = document.getElementsByName("area"); for (var i=0; i<where.length;i++) { if (where[i].checked) { wh = i; break; } }
		var mm = 0; var cmmdt = document.getElementsByName("crop"); for (var i=0; i<cmmdt.length;i++) { if (cmmdt[i].checked) { mm = i; break; } }
		var ds = 0; var displ = document.getElementsByName("disp"); for (var i=0; i<displ.length;i++) { if (displ[i].checked) { ds = i; break; } }
		var sa = 0; var shall = document.getElementsByName("sall"); for (var i=0; i<shall.length;i++) { if (shall[i].checked) { sa = i; break; } }
		var el = 0; switch (li) { case 0: el = 31; break; case 1: el = 51; break; case 2: el = 56; break; case 3: el = 41; break; }
		var dp = 0; switch (ds) { case 0: dp = "n"; break; case 1: dp = "c"; break; case 2: dp = "b"; break; }
		var cn = 0;
		var ar = 0;
		switch (wh)
		{
				case 0: cn = document.stat.cntr.options[document.stat.cntr.selectedIndex].value; ar = "c"; break; // countries
				case 1: cn = document.stat.cntg.options[document.stat.cntg.selectedIndex].value; ar = "g"; break; // countries in a group
				case 2: ar = "a"; break; // country aggregates
		}
		var rp = 0;
		var rg = 0;
		switch (mm)
		{
				case 0: rp = document.stat.crpa.options[document.stat.crpa.selectedIndex].value; rg = "c"; break; // crops
				case 1: rp = document.stat.crpg.options[document.stat.crpg.selectedIndex].value; rg = "g"; break; // crops in a group
				case 2: rg = "a"; break; // crop aggregates
		}
		var sh = document.stat.show.options[document.stat.show.selectedIndex].value;
		var ob = document.stat.ob.options[document.stat.ob.selectedIndex].value;
		var od = document.stat.od.options[document.stat.od.selectedIndex].value;
	  var xmlHttp; try { xmlHttp=new XMLHttpRequest(); } catch (e) { try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("Your browser does not support AJAX!"); return false; } } }  
		xmlHttp.onreadystatechange=function()
		{
	  	  if (xmlHttp.readyState<4)
	  	  {
		    		document.getElementById("table").innerHTML="<img src=images/ajax-loader.gif>";
	  	  }
	  	  else
	    	{
		    		document.getElementById("table").innerHTML=xmlHttp.responseText;
	    	}
  	}
		var responseUrl_h = "http://"+document.URL.split('/')[2]+"/lab/index.php/stat/table/"+el+"/"+ar+"/"+cn+"/"+rg+"/"+rp+"/"+sh+"/"+ob+"/"+od+"/"+dp+"/"+sa+"/h";
		var responseUrl_e = "http://"+document.URL.split('/')[2]+"/lab/index.php/stat/table/"+el+"/"+ar+"/"+cn+"/"+rg+"/"+rp+"/"+sh+"/"+ob+"/"+od+"/"+dp+"/"+sa+"/e";
  	document.stat.address_h.value = responseUrl_h;
  	document.stat.address_e.value = responseUrl_e;
  	xmlHttp.open("GET", responseUrl_h, true);
  	xmlHttp.send(null);
}
function openTable(tableUrl)
{
		window.location = tableUrl;
}
function checkWhere(s)
{
		switch(s)
		{
			case 1:
				document.stat.cntr.disabled = false;
				document.stat.cntg.disabled = true;
				break;
			case 2:
				document.stat.cntr.disabled = true;
				document.stat.cntg.disabled = false;
				break;
			case 3:
				document.stat.cntr.disabled = true;
				document.stat.cntg.disabled = true;
				break;
		}
		
}
function checkCrop(s)
{
		switch(s)
		{
			case 1:
				document.stat.crpa.disabled = false;
				document.stat.crpg.disabled = true;
				break;
			case 2:
				document.stat.crpa.disabled = true;
				document.stat.crpg.disabled = false;
				break;
			case 3:
				document.stat.crpa.disabled = true;
				document.stat.crpg.disabled = true;
				break;
		}
		
}