function checkAll(objForm){
	len = objForm.elements.length;
	var i=0;
	for( i=0 ; i<len ; i++) {
		if (objForm.elements[i].type=='checkbox') {
			objForm.elements[i].checked=objForm.check_all.checked;
		}
	}
}

function removeCheckBoxBorders()
{
	var el = document.getElementsByTagName("input");
	for (i=0;i<el.length;i++){
		var type = el[i].getAttribute("type");
		if((type=="checkbox")||(type=="radio")){
			el[i].style.border = "none";
		}
	}
}

//addEvent(window, 'load', removeCheckBoxBorders, false);
//addEvent(window, 'load', changeHearFrom, false);

function change_location( val )
{
	if ( val == 223 )
	{
		el = document.getElementById('location_usa');
		el.style.display = 'inline';
		el = document.getElementById('location_all');
		el.style.display = 'none';
	}else
	{
		el = document.getElementById('location_usa');
		el.style.display = 'none';
		el = document.getElementById('location_all');
		el.style.display = 'inline';
	}
}


function Set_Cookie( name, value, expires, path, domain, secure )
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct
	expires time, the current script below will set
	it for x number of days, to make it for hours,
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
	( ( path ) ? ";path=" + path : "" ) +
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

// this fixes an issue with the old method, ambiguous values
// with this test document.cookie.indexOf( name + "=" );
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}

function showHideFolders()
{
	if(document.getElementById('allfolders').style.display == '' || document.getElementById('allfolders').style.display == 'none' )
	{
		document.getElementById('allfolders').style.display = 'block';
		document.getElementById('allfolders_trigger').innerHTML = 'Hide all folders';
		Set_Cookie('js_show_folders','show');
	}
	else{
		document.getElementById('allfolders').style.display = 'none';
		document.getElementById('allfolders_trigger').innerHTML = 'Show all folders';
		Set_Cookie('js_show_folders','hide');
	}
}