/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: RoBorg
Improved by: Carlos Leal, xyzt, s.a.
Improved by: Nuno Costa, xyzt, s.a.
http://javascript.geniusbug.com | http://www.roborg.co.uk */
function smartTableInit() {
	 var tables = document.getElementsByTagName('table');
 	var len = tables.length;
 	for(var i=0; i<len; i++) {
		  if(tables[i].className.indexOf('smartTable') != -1)
			 smartTable(tables[i]);
	 }
}

function smartTable(t) {
 	var trs = t.getElementsByTagName('tbody').item(0).getElementsByTagName('tr');
 	var len = trs.length;
 	for(var i=0; i<len; i++) {
 		 trs[i].className = 'r' + (i%2);
 		 trs[i].onmouseover = function() {
 	    this.className += ' over'; 
 		 }
 		 trs[i].onmouseout = function() {
 			  this.className = this.className.replace(/\s+over/, '');
 		 }
	 }
	
 	var rows = t.rows;
 	var numRows = rows.length;
 	for(var i=0; i<numRows; i++) {
 		 var cells = rows[i].cells;
 		 var numCells = cells.length;
		 /* Código para efectuar as ordenações
 		 for(var j=0; j<numCells; j++) {
 			  if(j && i)
 				   break;
 			  if(i) cells[j].onclick = new Function('sortByRow(this, ' + i + ');');
 			  else cells[j].onclick = new Function('sortByCol(this, ' + j + ');');
 		 }
		 */
 	}
}

function sortByRow(th, r) {
 	var t = th;
 	while(t.tagName.toLowerCase() != 'table')
 		 t = t.parentNode;
 	var dir = 1;
 	if(t.sortedRow) {
 		 if(Math.abs(t.sortedRow) == r+1)
 			  dir = t.sortedRow == r+1?-1:1;
 	}
 	var vals = new Array();
 	var val;
 	var len = t.rows[r].cells.length;
 	var cells = t.rows[r].cells;
 	for(var i=1; i<len; i++) {
 		 val = cells[i].innerHTML;
 		 vals[vals.length] = {'val':val,'i':i};
 	}
 	vals = vals.sort(sortCell);
 	if(dir == -1)
 		 vals = vals.reverse();
 	var newT = t.cloneNode(true);
 	for(var j=0; j<t.rows.length; j++) {
 		 if(j) {
 			  var cName = newT.rows[j].cells[0].className.replace(/\s*sorted(Asc|Desc)/, '');
 			  if(j == r)
 				   cName += (dir == 1?' sortedAsc':' sortedDesc');
 			    newT.rows[j].cells[0].className = cName;
 		   }
 		 for(var i=0; i<vals.length; i++) {
 			  newT.rows[j].replaceChild(t.rows[j].cells[vals[i].i].cloneNode(true), newT.rows[j].cells[i+1]);
 		 }
	 }
 	t.parentNode.replaceChild(newT, t);
	 newT.sortedRow = (r+1) * dir;
	 smartTable(newT);
}

function sortByCol(th, c) {
 	var t = th;
 	while(t.tagName.toLowerCase() != 'table')
 		 t = t.parentNode;
 	var dir = 1;
 	if(t.sortedCol) {
 		 if(Math.abs(t.sortedCol) == c+1)
 			  dir = t.sortedCol == c+1?-1:1;
  }
 	var vals = new Array();
 	var val;
	var maxLength=0;
	
	for(var i=1; i<t.rows.length; i++) 
	{

			 if (maxLength<= t.rows[i].cells[c].innerHTML.length)
			 {
				 maxLength=t.rows[i].cells[c].innerHTML.length;
			 }
	}
 	for(var i=1; i<t.rows.length; i++) {
 		 if(!t.rows[i].cells[c]) val = 0;
  		else
		{
			val = t.rows[i].cells[c].innerHTML;
			//alert(t.rows[i].cells[c].innerHTML.length+' '+t.rows[i].cells[c].innerHTML+' '+maxLength);
			
			
			if (t.rows[i].cells[c].innerHTML.length<maxLength)
			{
				for (var mm=1;mm<=(maxLength-t.rows[i].cells[c].innerHTML.length);mm++)
				{
					val='0'+val;
				}
			}
/*			else if (t.rows[i].cells[c].innerHTML.length==1)
				val='00'+val;*/
		}
  		vals[vals.length] = {'val':val,'i':i};
 	}
 	vals = vals.sort(sortCell);
 	if(dir == -1)
  		vals = vals.reverse();
 	var newT = t.cloneNode(true);
 	var len = newT.rows[0].cells.length;
 	var cells = newT.rows[0].cells;
 	for(var i=0; i<len; i++) {
 		 var cName = cells[i].className.replace(/\s*sorted(Asc|Desc)/, '');
 		 if(i == c)
 			  cName += (dir == 1?' sortedAsc':' sortedDesc');
 		 cells[i].className = cName;
 	}
 	for(var i=0; i<vals.length; i++) {
 		 newT.rows[i+1].parentNode.replaceChild(t.rows[vals[i].i].cloneNode(true), newT.rows[i+1]);
 	}
 	t.parentNode.replaceChild(newT, t);
 	newT.sortedCol = (c+1) * dir;
 	smartTable(newT);
}

function sortCell(a, b) {
	 if(a.val == b.val)
		  return 0;
	 return a.val < b.val?-1:1;
}

// Multiple onload function created by: Simon Willison
// http://simonwillison.net/2004/May/26/addLoadEvent/
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(function() {
  smartTableInit();
});