function mark2(obj) {

 	obj.style.backgroundImage="url(img/bg_menu2.gif)";
	obj.style.backgroundPosition="middle";
	//obj.style.color='red';
	//obj.style.paddingLeft='60px';
	
	
 }
 function unmark2(obj) {
	  obj.style.backgroundImage="url(img/bg_menu2_hover.gif)";
	  obj.style.backgroundPosition="middle";
	  //obj.style.color='white';
	  //obj.style.textDecoration='none';
	  //obj.style.paddingLeft='30px';
	  
	  
	
 }