event.add(window, "load", init_search, false);

function init_search() {
	// Find all tables with class "sort_me" and make them sortable.
	nodeList_table = document.getElementsByTagName("table");
	for (i_table = 0; i_table < nodeList_table.length; i_table++)
	{
		cur_table = nodeList_table[i_table];
		if (cur_table.className.indexOf("search_me") != -1) 
		{
			make_searchable(cur_table, i_table);
		}
	}
}

function make_searchable(table, i_table)
{
	if(table.tHead)
	{
		// The table has a thead
		num_cols = table.tHead.rows[0].cells.length;
		search_div = document.createElement("div");
		input = document.createElement("input");
		input.size = 20;
		input.id = "search_box" + i_table;
		event.add(input, "keyup", function() { search_rows(this); }, false);
		search_div.innerHTML = "Search: ";
		search_div.appendChild(input);
		search_div.className = 'search_div';
		search_div.style.width = table.clientWidth + "px";
		if(i_table)
		{
			search_div.style.display = "none";
		}
		table.parentNode.insertBefore(search_div, table);
	}
}

function search_rows(input)
{
	// Find all tables with class "sort_me" and make them sortable.
	nodeList_table = document.getElementsByTagName("table");
	for (j_table = 0; j_table < nodeList_table.length; j_table++)
	{
		table = nodeList_table[j_table];
		if (table.className.indexOf("search_me") != -1) 
		{	
			search_term = input.value.toLowerCase();
			
			if(table.tHead)
			{
				skip_header = 1;
			}
			else
			{
				skip_header = 0;
			}
			
			// How many rows?
			num_rows = table.rows.length;
			
			// How many columns?
			if(num_rows)
			{
				num_cols = table.rows[0].cells.length;
			}
			else
			{
				return;
			}
			
			if(search_term.length)
			{
				for(i = 0; i < num_rows - skip_header; i++)
				{
					// Setting the row's display to "" will force the default display for the browser.
					// This being "table-row" for Firefox and "block" for IE.
					table.rows[i + skip_header].style.display = "";
				
					cur_row = table.rows[i + skip_header];
					cur_row_cells = cur_row.cells;
					 
					// Traverse the table, searching for search_term.
					j = 0;
					found_search_term = 0;
					while(!found_search_term  && j < num_cols)
					{
						// found_search_term will be the row number if the search_term was found.
						if(cur_row_cells[j].textContent)
						{
							found_search_term = (i + skip_header) * (cur_row_cells[j].textContent.toLowerCase().indexOf(search_term) != -1);
						}
						else
						{
							found_search_term = (i + skip_header) * (cur_row_cells[j].innerHTML.toLowerCase().indexOf(search_term) != -1);
						}
						
						j++;
					}
					if(!found_search_term)
					{
						table.rows[i + skip_header].style.display = "none";
					}			
				}			
			}
			// The search_term is blank.
			// Display all the previously hidden table rows.
			else
			{
				for(i = 0; i < num_rows; i++)
				{
					table.rows[i].style.display = "";
				}
			}
			stripe_class.stripe();
		}
	}
}