function overMenu( id, class_name ) {
	
	if (document.getElementById('menu_' + id)) {
		
		new_clas_name = (class_name != null) ? class_name : 'sel_menu' ;

		document.getElementById('menu_' + id).className = new_clas_name;
	}
	
}

function outMenu( id, class_name ) {
	
	if (document.getElementById('menu_' + id)) {
		
		if (class_name != null) {
			
			document.getElementById('menu_' + id).className = class_name;
						
		} else {
		
			document.getElementById('menu_' + id).className = 'norm';
		
		}
		
	}
	
}

function overLabel( id ) {

	if ( id == 1 ) {
		
		document.label_1.src='/img/label_references_act.png';
		
	} else {
		
		document.label_2.src='/img/label_partners_act.png';
		
	}
		
}

function outLabel( id, sel ) {
	
	if ( id == 1 ) {
		
		if ( sel == true ) {
			
			document.label_1.src='/img/label_references_act.png';
			
		} else {
			
			document.label_1.src='/img/label_references.png';

		}
		
	} else {
		
		if ( sel == true ) {
			
			document.label_2.src='/img/label_partners_act.png';
			
		} else {
			
			document.label_2.src='/img/label_partners.png';

		}
		
	}
		
}