function out(){
	if(document.getElementById('languages')) document.getElementById('languages').style.display = 'none';
}
function nlChange(){
   document.getElementById('nlFirst').style.display = 'none';
   document.getElementById('nlSecond').style.display = 'block';
   document.getElementById('nlThird').style.display = 'none';
}
function nlChange2(){
   document.getElementById('nlFirst').style.display = 'none';
   document.getElementById('nlSecond').style.display = 'none';
   document.getElementById('nlThird').style.display = 'block';
}
function set_black_bar_height(){
	var height_left_col = document.getElementById('left_column').offsetHeight;
	var height_right_col = document.getElementById('right_column').offsetHeight;
	var height_right_column = 0;
	var check = 0;
	
	if (height_left_col <= height_right_col){
		height_right_column = height_right_col + 95;
	}
	else{
		check = height_left_col - height_right_col;
		if(check < 95 ){
			height_right_column = height_right_col + check;
		}	
		else{
			height_right_column = height_left_col;
		}
	}
	if(height_right_col <= 453){
		height_right_column = 525;
	}
	
	document.getElementById('right_column').style.height = height_right_column + "px";
}
function set_black_bar_height_pictures(){
	set_black_bar_height();
}
function set_black_bar_height_multi_images(){
	set_black_bar_height();
}