// JavaScript Document
var allPageTags = new Array(); 

function doSomethingWithClasses(theClass)
{
	//Populate the array with all the page tags
	var allPageTags=document.getElementsByTagName("*");
	//Cycle through the tags using a for loop
	for (i=0; i<allPageTags.length; i++) 
	{
		//Pick out the tags with our class name
		if (allPageTags[i].className==theClass) 
		{
			//Manipulate this in whatever way you want
			allPageTags[i].style.display='none';
		}
	}
}

function Init()
{
	var browName = navigator.appName;
	var spacer = document.getElementById('spacer2');
	var welcome = document.getElementById('welcome');
	var menu = document.getElementById('menu');
	var middle_column = document.getElementById('middle_column');
	
	var a_ID = "2";
	var obj = document.getElementById('middle_column'+a_ID);
	
	next_column("1");
	
	if (!obj)
	{
		var next_tema = doSomethingWithClasses('next_tema');
		if (next_tema)next_tema.style.display = 'none';
	}
	
	var obj2 = document.getElementById('left_column'+a_ID);
	
	next_column2("1");
	
	if (!obj2)
	{
		var next_tema2 = doSomethingWithClasses('next_tema2');
		if (next_tema2)next_tema2.style.display = 'none';
	}
	
	if (browName == "Microsoft Internet Explorer")
	{
		if (spacer)spacer.style.height = 95;
		//if (welcome)welcome.style.marginTop = 15;
		//if (menu)menu.style.marginTop = 3;
		//if (middle_column)middle_column.style.top = 390;
	}
	else if (browName == "Opera")
	{
		//if (spacer)spacer.style.height = 425;
		//if (welcome)welcome.style.marginTop = 15;
	}
}
function all_hide()
{
   var a_ID = "1";
   var obj = document.getElementById('middle_column'+a_ID);

   while(obj)
   {
		obj.style.display = "none"
	    a_ID++;
    	obj = document.getElementById('middle_column'+a_ID);
   }
}

function next_column(aID)
{
   var obj = document.getElementById('middle_column'+aID);
   if (obj)
   {
	   all_hide();
   	   obj.style.display = "block"
   }
   else
   {
	   var obj = document.getElementById('middle_column'+aID);
   }
}

function all_hide2()
{
   var a_ID = "1";
   var obj = document.getElementById('left_column'+a_ID);

   while(obj)
   {
		obj.style.display = "none"
	    a_ID++;
    	obj = document.getElementById('left_column'+a_ID);
   }
}

function next_column2(aID)
{
   var obj = document.getElementById('left_column'+aID);
   if (obj)
   {
	   all_hide2();
   	   obj.style.display = "block"
   }
   else
   {
	   var obj = document.getElementById('left_column'+aID);
   }
}