function inall(tc2, tc3, tc4, tc5 )
{
var textchange2 = tc2 ;
var textchange3 = tc3 ;
var textchange4 = tc4 ;
var textchange5 = tc5 ;
var changecolor = "#676977" ; 
var changecolor02 = "#676977" ; 
var changesize = "18px" ;
var changesize2 = "15px" ;
var changealign = "center" ;
var changeweight = "normal" ;
var id = document.getElementById("who_are");
id.innerHTML=textchange2;
id.style.color=changecolor;
id.style.fontSize=changesize;
id.style.fontWeight=changeweight;
var id = document.getElementById("more");
id.innerHTML=textchange3;
id.style.color=changecolor02;
id.style.fontSize=changesize2;
id.style.textAlign=changealign;
id.style.fontWeight=changeweight;
var id = document.getElementById("more2")
id.innerHTML=textchange4;
id.style.color=changecolor02;
id.style.textAlign=changealign;
id.style.fontSize=changesize2;
id.style.fontWeight=changeweight;
var id = document.getElementById("more3")
id.innerHTML=textchange5;
id.style.color=changecolor02;
id.style.textAlign=changealign;
id.style.fontSize=changesize2;
id.style.fontWeight=changeweight;
}

function outall()
{
var text1 = "who are you?" ;
var text2 = "" ;
var text3 = "" ;
var text4 = "" ;
var colorback = "#676977"
var sizeback = "26px"
var id = document.getElementById("who_are");
id.innerHTML=text1;
id.style.color=colorback;
id.style.fontSize=sizeback;
var id = document.getElementById("more");
id.innerHTML=text2;
var id = document.getElementById("more2");
id.innerHTML=text3;
var id = document.getElementById("more3");
id.innerHTML=text4;
}

function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }