// JavaScript Document

function  callIn(idName)
{
var id_temp;
var class_temp;
var temp;
    var id_array = new Array("zero","one","two","three","four");
	var class_array = new Array("home_bg","instrumentation_controls","scada_bg","manufacturing_fabrication_bg","field_service_bg");	

 for( i=0; i <= 4; i++ )
 {
    if(id_array[i]== idName)
	{
	  	id_temp = id_array[i];
		class_temp = class_array[i];
		temp = document.getElementById(id_temp);
		temp.className = class_temp;
		temp.style.display = "block";
	}
	else
	{
		 id_temp = id_array[i];
		 class_temp = class_array[i];
		 temp = document.getElementById(id_temp);      	 
		 temp.style.display = "none";
		 
	}
  } 
}