var min_height  = 1;
var max_height  = 308;
var step_height  = 2;
var div_count = 1;  // max 9 
var div_pref = 'div_service';
var active = 1;
function slide_div(div_name,isactive) 
{	
		
		hide_all(div_name);
		if(active == 0)
		{			
			active = 1;					
			div_increase(div_name);							
		}
		else if(active == 1)
		{
			active = 0;				
		}
		
		
}

function div_increase(div_name)
{

		height = document.getElementById(div_name).style.height;
		height = height.substr(0,height.length-2);
		curr = eval(height) + eval(step_height);
		
		if(height < max_height)
		{			
			document.getElementById(div_name).style.height = curr  +'px';						
			window.setTimeout('div_increase(\''+div_name+'\')', 1);				
		}
		else
		{	
			document.getElementById(div_name).innerHTML = "<br><br><br><p align='center'><img src='images/top_loader.gif'  align=center /></p>";
			if(div_name == 'div_service1')
			{							  				
				PostRequestServices('ajax_content.php','&name=mainfla','1','get');
			}
			if(div_name == 'div_service2')
			{
				PostRequestServices('ajax_content.php','&name=weblinks','2','get');
			}
			if(div_name == 'div_service3')			
			{
				PostRequestServices('ajax_content.php','&name=flight','3','get');
			}
		//	document.getElementById(div_name).innerHTML="Hi there!<br> good luck ! ";			
		}		
}

function hide_all(div_name)
{		
	div_num = div_name.substr(11,1)
	{
		
		for (var i = 1; i <= div_count; i++)
		{
			if(div_num != i)
			{				
				document.getElementById(div_pref+i).innerHTML = "";
				document.getElementById(div_pref+i).style.height = min_height+ 'px' ;				
			}
		}
	}
}