function change_div(type){
				if(type!='properties'&&document.getElementById('properties')){document.getElementById('properties').style.display="none";}
				if(type!='specs'&&document.getElementById('specs')){document.getElementById('specs').style.display="none";}
				if(type!='parts'&&document.getElementById('parts')){document.getElementById('parts').style.display="none";}
				if(type!='tests'&&document.getElementById('tests')){document.getElementById('tests').style.display="none";}
				if(type!='videos'&&document.getElementById('videos')){document.getElementById('videos').style.display="none";}
				if(type!='rating'&&document.getElementById('rating')){document.getElementById('rating').style.display="none";}
				if(type!='accessoires'&&document.getElementById('accessoires')){document.getElementById('accessoires').style.display="none";}
				
				document.getElementById(type).style.display="block";
				
				if(type!='properties'&&document.getElementById('properties_tab')){document.getElementById('properties_tab').className="";}
				if(type!='specs'&&document.getElementById('specs_tab')){document.getElementById('specs_tab').className="";}
				if(type!='parts'&&document.getElementById('parts_tab')){document.getElementById('parts_tab').className="";}
				if(type!='tests'&&document.getElementById('tests_tab')){document.getElementById('tests_tab').className="";}
				if(type!='videos'&&document.getElementById('videos_tab')){document.getElementById('videos_tab').className="";}
				if(type!='rating'&&document.getElementById('rating_tab')){document.getElementById('rating_tab').className="";}
				if(type!='accessoires'&&document.getElementById('accessoires_tab')){document.getElementById('accessoires_tab').className="";}
				
				document.getElementById(type+'_tab').className="current";
}