function ajax_form(form,site_url,level,level_id){
	var req = jQuery.post
	( 
		site_url, 
		jQuery('#' + form).serialize(), 
		function(html){
			var explode = html.split("\n");
			if(explode) {
				if(level == 1) {
					$('li.level1').css('backgroundColor', '#052E64');	
					$('li.level1').css('color', '#4E78A8');
					$('li.level1:hover').css('backgroundColor', '#446FA6');
					$('li.level1:hover').css('color', '#ffffff');					
					lev_1 = document.getElementById('level_1');
					lev_1.innerHTML = explode;
					lev_2 = document.getElementById('level_2');
					lev_2.innerHTML = '';
				}	
				if(level == 2) {
					
					$('li.level2').css('backgroundColor', '#052E64');	
					$('li.level2').css('color', '#4E78A8');
					$('li.level2:hover').css('backgroundColor', '#446FA6');
					$('li.level2:hover').css('color', '#ffffff');					
					$('li.level1_' + level_id).css('backgroundColor', '#446FA6');	
					$('li.level1_' + level_id).css('color', '#ffffff');	
					lev_2 = document.getElementById('level_2');
					lev_2.innerHTML = explode;
				}	
				if(level == 3) {					
					$('li.level2_' + level_id).css('backgroundColor', '#446FA6');
					$('li.level2:hover').css('color', '#ffffff');
				}	
				if(level == 99) {
					$('li.level1').css('backgroundColor', '#052E64');	
					$('li.level1').css('color', '#4E78A8');
					$('li.level1:hover').css('backgroundColor', '#446FA6');
					$('li.level1:hover').css('color', '#ffffff');
					lev_1 = document.getElementById('level_1');
					lev_1.innerHTML = '';
					lev_2 = document.getElementById('level_2');
					lev_2.innerHTML = '';
				}	
			} else {
				alert(explode);		
			}
		}
	);
}