function HoverImgOf(filename)
{
   var re = new RegExp("(.+)\\.(gif|png|jpg)", "g");
   return filename.replace(re, "$1_hi.$2");
}

function NormalImgOf(filename)
{
   var re = new RegExp("(.+)_hi\\.(gif|png|jpg)", "g");
   return filename.replace(re, "$1.$2");
}
  
function URLEncode( str ) {
 
    var histogram = {}, tmp_arr = [];
    var ret = (str+'').toString();
 
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
 
    // The histogram is identical to the one in urldecode.
    histogram["'"]   = '%27';
    histogram['(']   = '%28';
    histogram[')']   = '%29';
    histogram['*']   = '%2A';
    histogram['~']   = '%7E';
    histogram['!']   = '%21';
    histogram['%20'] = '+';
    histogram['\u20AC'] = '%80';
    histogram['\u0081'] = '%81';
    histogram['\u201A'] = '%82';
    histogram['\u0192'] = '%83';
    histogram['\u201E'] = '%84';
    histogram['\u2026'] = '%85';
    histogram['\u2020'] = '%86';
    histogram['\u2021'] = '%87';
    histogram['\u02C6'] = '%88';
    histogram['\u2030'] = '%89';
    histogram['\u0160'] = '%8A';
    histogram['\u2039'] = '%8B';
    histogram['\u0152'] = '%8C';
    histogram['\u008D'] = '%8D';
    histogram['\u017D'] = '%8E';
    histogram['\u008F'] = '%8F';
    histogram['\u0090'] = '%90';
    histogram['\u2018'] = '%91';
    histogram['\u2019'] = '%92';
    histogram['\u201C'] = '%93';
    histogram['\u201D'] = '%94';
    histogram['\u2022'] = '%95';
    histogram['\u2013'] = '%96';
    histogram['\u2014'] = '%97';
    histogram['\u02DC'] = '%98';
    histogram['\u2122'] = '%99';
    histogram['\u0161'] = '%9A';
    histogram['\u203A'] = '%9B';
    histogram['\u0153'] = '%9C';
    histogram['\u009D'] = '%9D';
    histogram['\u017E'] = '%9E';
    histogram['\u0178'] = '%9F';
 
    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);
 
    for (search in histogram) {
        replace = histogram[search];
        ret = replacer(search, replace, ret) // Custom replace. No regexing
    }
 
    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
        return "%"+m2.toUpperCase();
    });
 
    return ret;
}


// columns equal height
function setEqualHeight(columns) {  
	var tallestcolumn = 0;  
	columns.each(  
	function() {  
		currentHeight = $(this).height();  
		if(currentHeight > tallestcolumn) {  
			tallestcolumn  = currentHeight;  
		}  
	});  
	
	columns.height(tallestcolumn);  
}  

$(document).ready(function(){ 

		$(function() {
				$('.modTit2 > .over').hover(function(){
					   $(this).addClass('hover');
				}, function() {
					   $(this).removeClass('hover');
				});
		});


		$(function() {
				$('.nav1 > li').hover(function(){
					   $(this).addClass('navOver');
				}, function() {
					   $(this).removeClass('navOver');
				});
		});
	
        /* nav img hover */
        $(".imgnav").hover( function() {
           var hoverImg = HoverImgOf($(this).attr("src"));
           $(this).attr("src", hoverImg);
         }, function() {
           var normalImg = NormalImgOf($(this).attr("src"));
           $(this).attr("src", normalImg);
         }
    );
    

	// columns equal height
	setEqualHeight($(".cols4 > .cx1ConteudoS"));
	
   var ieLT6 = (/MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == "Win32");
   if (ieLT6 ) {
     DD_belatedPNG.fix('.cx1ConteudoS, .cx1Sombra');
     
   }		

		
});