function barchart(){
document.getElementById("titlespan").innerHTML= "Renewable Energy Generation Capacity in Scotland (MW) 09 July 2010"; 
document.getElementById("hydro").style.width = "84";
document.getElementById("hydrospan").innerHTML= "1387.66"; 
document.getElementById("wind").style.width = "130";
document.getElementById("windspan").innerHTML= "2149.04"; 
document.getElementById("waste").style.width = "7";
document.getElementById("wastespan").innerHTML= "99.68"; 
document.getElementById("biomass").style.width = "5";
document.getElementById("biospan").innerHTML= "79.09"; 
document.getElementById("bioheat").style.width = "3";
document.getElementById("bioheatspan").innerHTML= "34.117"; 
document.getElementById("wave").style.width = "1";
document.getElementById("wavespan").innerHTML= "0.8"; 
document.getElementById("tidal").style.width = "0";
document.getElementById("tidalspan").innerHTML= "0"; 
document.getElementById("totalspan").innerHTML= "3750.39"; 
}