//

// function switchImg

//

function switchImg( nameImg , srcImg)

{



	var currentImg = document.images[ nameImg ].src;

	var pathImg = currentImg.substring( 0 , currentImg.lastIndexOf('/')+1 );



	document.images[ nameImg ].src = pathImg+srcImg;

}







//

// function rollover

// this function allow to make a rollOver on an image

// it's compatible with layers

// for a simple rollOver ( without layer ), declaration : rollOver(nameImg)

// for a complex rollOver ( with layer ), declaration : 	rollOver( nameImg , nameLay )

//

function rollOver()

{



   tmpVar = rollOver.arguments;

	nameImg = tmpVar[0];



	path = document;



	// test if ns

	if ( document.layers && tmpVar.length>1){



		nameLay = tmpVar[1];

		path = document.layers[nameLay].document;

		

	}

	var currentImg = path.images[ nameImg ].src;

	var typeImg = currentImg.substring( currentImg.lastIndexOf('.') , currentImg.length );

	var pathImg = currentImg.substring( 0 , currentImg.lastIndexOf('/')+1 );

	currentImg = currentImg.substring( (currentImg.lastIndexOf('/') + 1 ) , currentImg.lastIndexOf('.') );



	if ( currentImg.substring( currentImg.length - 3 , currentImg.length ) == '_on' )

	{

		currentImg = currentImg.substring( 0 , currentImg.length - 3 );

		path.images[ nameImg ].src = pathImg+currentImg+typeImg;

	}

	else

	{	

		path.images[ nameImg ].src = pathImg+currentImg+"_on"+typeImg;

	}

}