function contains(a, e) {		//check if JS array contains "e" value
	for(j=0;j<a.length;j++)if(a[j]==e)return true;
	return false;
}

function uniqueArray(a) 			//makes Array unique
{
	tmp = new Array(0);
	for(i=0;i<a.length;i++){
		if(!contains(tmp, a[i])){
			tmp.length+=1;
			tmp[tmp.length-1]=a[i];
		}
	}
	return tmp;
}

/**
* Cookie Control Functions
* @author Albert Garcia
*
* Sets a Cookie with the given name and value.
*
* name       Name of the cookie
* value      Value of the cookie
* [expires]  Expiration date of the cookie (default: end of current session)
* [path]     Path where the cookie is valid (default: path of calling document)
* [domain]   Domain where the cookie is valid
*              (default: domain of calling document)
* [secure]   Boolean value indicating if the cookie transmission requires a
*              secure transmission
*/
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "; path=/") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
 
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return "";
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}
 
function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" + 
   ((path) ? "; path=" + path : "; path=/") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}
 
/**
* Comparison Functions
* @author Albert Garcia <albert.garcia@softonic.com>
* name, duration, path, domain, secure
*/
 
function addToCompare ( id )
{
 var last_cookie = getCookie ( 'compare_programs' );
 
 var compare_programs_array = last_cookie.split('#');
 var total = compare_programs_array.length;
 var compare_programs_string = '';
 
 compare_programs_array[total] = id;
 
 compare_programs_array = uniqueArray ( compare_programs_array );
 compare_programs_string = compare_programs_array.join('#');
 
 setCookie ( 'compare_programs', compare_programs_string );
 
 //document.getElementById('n_compare_programs').innerHTML = compare_programs_array.length - 1;
}
 

function removeCompare(id)
{
 var last_cookie = getCookie ( 'compare_programs' );
 
 var compare_programs_array = last_cookie.split('#');
 var total = compare_programs_array.length;
 var compare_programs_string = ''
 
 for (var i = 0; i<total ;i++ )
 {
  if ( compare_programs_array[i] ==id )
  {
   compare_programs_array.splice(i,1);
  }
 }
 
 compare_programs_array = uniqueArray ( compare_programs_array );
 compare_programs_string = compare_programs_array.join('#');
 
 setCookie ( 'compare_programs', compare_programs_string );
 
 document.location.href = document.location.href;
}
 
function chkCompare ( obj )
{
 var last_cookie = getCookie ( 'compare_programs' );
 
 var compare_programs_array = last_cookie.split('#');
 var total = compare_programs_array.length;
 var compare_programs_string = '';
 
 if ( obj.checked == true )
 {
  compare_programs_array[total] = obj.value;
 }else{
  for ( var i = 1; i<=total ;i++ )
  {
   if ( compare_programs_array[i] == obj.value )
   {
    compare_programs_array.splice(i,1);
   }
  }
 }
 
 compare_programs_array = uniqueArray ( compare_programs_array );
 compare_programs_string = compare_programs_array.join('#');
 
 setCookie ( 'compare_programs', compare_programs_string );
 
 //document.getElementById('n_compare_programs').innerHTML = compare_programs_array.length - 1;
}
 
function cleanCompare ()
{
 /*if ( document.getElementById ('n_compare_programs') )
 {
  document.getElementById('n_compare_programs').innerHTML = '0';
 }*/
 deleteCookie ( 'compare_exclude' );
 deleteCookie ( 'compare_programs' );
}
 
function buildCompare ()
{
 var compare_programs = getCookie ( 'compare_programs' );
 
 var compare_programs_array = compare_programs.split('#');
 
 var dml  = document.forms['table_compare'];
 var len  = dml.elements.length;
 var i = 0;
 var n = 0;
 for( i=0 ; i<len ; i++)
 {
  if ( contains ( compare_programs_array, dml.elements[i].value ) )
  {
   dml.elements[i].checked = true;
  }
 }
 
 //document.getElementById('n_compare_programs').innerHTML = compare_programs_array.length - 1;
}