function display_block_mobile() 
{
	var id_div1 = $("more_top");
	var id_div2 = $("div_mai_multe_bott");
	var change = id_div1.getElementsByClassName('toogle');
	 	
	if(change[0].hasClassName('on') ) {
		change[0].removeClassName('on');	
		change[0].addClassName('off');
		id_div2.style.display = "block";	
	}
	else {
		if(change[0].hasClassName('off') ) {
			change[0].removeClassName('off');	
			change[0].addClassName('on');
			id_div2.style.display = "none";	
		}
	}		
}	

function div_height()
{	
    var div1 = document.getElementById("content_box_mov");
    var div2 = document.getElementById("overlay");
    div2.style.height = div1.offsetHeight + "px";
}

function count_textares_characters( id_textarea, id_input_chars, max_chars) 
{

	var maxChars 	= max_chars;
	var textareaId 	= $(id_textarea);
	var nrChars 	= $(id_input_chars);

	if( textareaId.value.length <= maxChars) {
		nrChars.value =  max_chars - textareaId.value.length;
	} else {
		textareaId.value = textareaId.value.substring(0, max_chars);
		nrChars.value = 0;	
	}
		
}