/*-------------------------------------------------------------------*/
		/* JAVASCRIPT														 */ 
		/*-------------------------------------------------------------------*/	
		
		if (document.getElementById("no_rows").value == '1')
		{
			var block_page_counter = document.getElementById("page_counter");
			block_page_counter.style.display = "none";
		}
		else
		{
			var block_page_counter = document.getElementById("page_counter");
			block_page_counter.style.display = "block";
		}
				
		function aboutSite()
		{
			var str = "/common_html/aboutSite.php";				
			wnd = window.open(str,"aboutSite",
					"height=630, width=820, status, top, left, resizable, scrollbars, dependent");
			wnd.focus();
		}
		function submit_pt ()
		{
			document.getElementById("lang").value = 'PT';
			document.formFields.submit();
		}
		function submit_en ()
		{	
			
			document.getElementById("lang").value = 'EN';
			document.formFields.submit();
		}
		
		function submit_page_bt ()
		{
			var number_page_display = document.formFields.number_page_display.value;
			var user_page_input = document.getElementById("user_page_input").value;	
			var page_total = document.formFields.page_total.value;	
			
			
			if (
				(is_int(user_page_input) == false) ||
				(parseInt(user_page_input) < 1) ||
				(parseInt(user_page_input) > parseInt(page_total))
				)
			{
				alert ('Página inválida.');
			}
			else
			{		
				row = user_page_input / number_page_display;
				x = parseInt(row);
				if (x < row)
				{
					page_set = x + 1;
				}
				else
				{
					page_set = x;
				}

				
				if (page_set == 1)
				{
					bg_pg = 1;
				}
				else
				{
					bg_pg = (number_page_display * (page_set - 1)) + 1;
				}
				
				document.formFields.prv_pg.value = bg_pg;
				document.formFields.bg_pg.value = bg_pg;
				document.formFields.pg.value = user_page_input;

				document.formFields.user_pg_input.value = '1';		// true for user input

				document.formFields.submit();
				
			}
			
		}