function activateTabs(targetDiv)
{
	var tab_index = 0;
	var tab_prev = 0;
	var tabs = document.getElementById(targetDiv);
	var arr_tabs = tabs.getElementsByTagName('a');
	
	for( i=0;i<arr_tabs.length;i++ )
	{
		arr_tabs[i].onclick = function()
		{
			setTab(this.name, tabs);
		};					
	}
}
	
function setTab(tab_name, div)
{
	all_tabs = div.getElementsByTagName('a');
	
	for( i=0;i<all_tabs.length;i++ )
	{
		tab = all_tabs[i];
		if( (tab.name > '') && (tab.href > '') )
		{
		
			if( i == 0 )
			{
				tab.className = 'first';
			}
			else
			{
				tab.className = '';
			}
			
			if( tab.name == tab_name )
			{
				tab.className += ' active';
				
				if( tab_content = document.getElementById('tab_content_'+tab.name) )
				{
					tab_content.className = 'tab_content active';
				}
			
			}
			else
			{
				if( tab_content = document.getElementById('tab_content_'+tab.name) )
				{
					tab_content.className = 'tab_content';
				}
			
			}								
		}
	}
}