var xmlhttp;

function showIDmain()
	{
		
		var ajaxRequest;
 		try
		{
   				ajaxRequest = new XMLHttpRequest();
		} 
		catch (e)
		{
   			try
			{
   				ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
 			} 
			catch (e) 
			{
	  			try
				{
    				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
   				} 
				catch (e)
				{
     				alert("Your browser broke!");
  					return false;
   				 }
 			}
 		}
		ajaxRequest.onreadystatechange=function()
		{
  			if(ajaxRequest.readyState==4)
  			{
 	  			var area = document.getElementById('get_cate_main');
   				area.innerHTML = ajaxRequest.responseText;
 		 	}
		 }
		 	var q = document.getElementById('cate_main').value;
 			ajaxRequest.open("GET","ajax/category-type/get-category-sub-ajax.php?q="+q, true);
 			ajaxRequest.send(null);   
	}