var myMenu = new SDMenu("main_menu"); // ID of the menu element
// Default values...
myMenu.speed = 3;                     // Menu sliding speed (1 - 5 recomended)
myMenu.remember = true;               // Store menu states (expanded or collapsed) in cookie and restore later
myMenu.oneSmOnly = false;             // One expanded submenu at a time
myMenu.markCurrent = true;            // Mark current link / page (link.href == location.href)

myMenu.init();

// Additional methods...
var firstSubmenu = myMenu.submenus[0];
myMenu.expandMenu(firstSubmenu);      // Expand a submenu
myMenu.collapseMenu(firstSubmenu);    // Collapse a menu
myMenu.toggleMenu(firstSubmenu);      // Expand if collapsed and collapse if expanded

myMenu.expandAll();                   // Expand all submenus
myMenu.collapseAll();                 // Collapse all submenus

function tocart(id,price,cnt_name) {
  obj = document.getElementById('korz');
  cnt = document.getElementById(cnt_name).value; 	// откуда количество
	//alert(cnt_name);
  obj.src = '/modules/korz.php?type=add&id='+id+'&price='+price+'&cnt='+cnt;
  //SetPrice();
}


function checkBook() {
	
	ima = document.getElementById('name');
	phone = document.getElementById('phone');
	email = document.getElementById('email');
	
	err = 0;
	
	if (  ima.value == '' ) {
		ima.style.borderColor = 'red';
		err = 1;
	} else { ima.style.borderColor = ''; }
	

	if (  phone.value == '' ) {
		phone.style.borderColor = 'red';
		err = 1;
	} else { phone.style.borderColor = ''; }
	
	if (  email.value == '' ) {
		email.style.borderColor = 'red';
		err = 1;
	} else { email.style.borderColor = ''; }
	
	
	
	if ( err ) {
		return false;
	}
	return true;
}