function change_it() {
	
  if (document.getElementById && document.createTextNode) {
	  
    var new_color = "";
    var color_sel = document.getElementById("change_bg").value;
	color_sel *= 1;
    
	switch (color_sel) {
      case 0 : window.alert("Please select a color."); return false;
	  case 1 : new_color = "#FFCCFF"; break;
      case 2 : new_color = "#CCFFCC"; break; 
	  case 3 : new_color = "#FFFFFF"; break;
	}
    
	document.body.style.backgroundColor= new_color;
    return false;
	
  }
 
}