function maintab(d) { 
    	for(i=1;i<=3;i++){
		    aid = "aid"+i; pid = "pid"+i; lid = "list"+i;
		    divalla = document.getElementById(aid); divallp = document.getElementById(pid); divalll = document.getElementById(lid); 

		    if(i!=d) {
		        divalla.style.display = "none";
		        divallp.style.display = "";
		        divalll.style.display = "none";
    	    }

		    else {
		        divalla.style.display = "";
		        divallp.style.display = "none";
		        Effect.SlideDown(lid);
		        //divalll.style.display = "";
		    }
		}
}