var ar_element=new Array(	'slide_contatti'	)
												 
function sl(element)
{
	var len=ar_element.length;
	//	alert(h)
	
	for(i=0; i<len; i++)		
	{
		if(ar_element[i]!=element )
		{
			$(ar_element[i]).hide(); 
		}
	}	
	

	v=$(element).getStyle('display');			
	h=$(element ).getHeight()		
	
	if(v=='none')
		Effect.SlideDown($(element),{duration: 1.0 }); 					
	else 
	{
		if(v!='none' && h>270)
		{
			Effect.SlideUp($(element),{duration: 1.0 }); 									
		}
	}



}