function scrollDoor(){
}
scrollDoor.prototype = {
	sd : function(menus,divs,openClass,closeClass){
		var _this = this;
		if(menus.length != divs.length)
		{
			
			return false;
		}				
		for(var i = 0 ; i < menus.length ; i++)
		{	
			_this.$(menus[i]).value = i;				
			_this.$(menus[i]).onmousedown = function(){
				for(var j = 0 ; j < menus.length ; j++)
				{						
					_this.$(menus[j]).className = closeClass;
					_this.$(divs[j]).style.display = "none";
				}
				_this.$(menus[this.value]).className = openClass;	
				_this.$(divs[this.value]).style.display = "block";				
			}
		}
		},
	$ : function(oid){
		if(typeof(oid) == "string")
		return document.getElementById(oid);
		return oid;
	}
}
window.onload = function(){
	var SDmodel = new scrollDoor();
	SDmodel.sd(["c1","c2"],["cm1","cm2"],"cactive");
	SDmodel.sd(["cc1","cc2"],["cmm1","cmm2"],"cactive");
	SDmodel.sd(["csd1","csd2","csd3","csd4"],["cs1","cs2","cs3","cs4"],"cactive");
	SDmodel.sd(["ca1","ca2","ca3","ca4","ca5","ca6","ca7"],["caa1","caa2","caa3","caa4","caa5","caa6","caa7"],"cactive");
}