function scrollDoor(menus,divs,openClass,closeClass){
	  for(var i = 0 ; i < menus.length ; i++)
	  { 
		   document.getElementById(menus[i]).value = i;    
		   document.getElementById(menus[i]).onmouseover = function(){			 
			for(var j = 0 ; j < menus.length ; j++)
			{      
				 document.getElementById(menus[j]).className = closeClass;
				 document.getElementById(divs[j]).style.display = "none";
			}
			document.getElementById(menus[this.value]).className = openClass; 
			document.getElementById(divs[this.value]).style.display = "block";    
		   }
	  }
 }
window.onload = function(){
  scrollDoor(["mr1","mr2","mr3"],["cr1","cr2","cr3"],"sdr1","sdr2");
  scrollDoor(["mj45","mj46"],["cj45","cj46"],"sjb45","sjb46");

}