function canvi(element, val){
	element.parentNode.className='m m' + val;
}
pic0= new Image(191,55); 
pic0.src="/design/gda/images/boto/0.png"; 
pic1= new Image(191,55); 
pic1.src="/design/gda/images/boto/1.png"; 
pic2= new Image(191,55); 
pic2.src="/design/gda/images/boto/2.png"; 
pic3= new Image(191,55); 
pic3.src="/design/gda/images/boto/3.png"; 
pic4= new Image(191,55); 
pic4.src="/design/gda/images/boto/4.png"; 
pic5= new Image(191,55); 
pic5.src="/design/gda/images/boto/5.png"; 
pic6= new Image(191,55); 
pic6.src="/design/gda/images/boto/6.png"; 
picOficinaRol= new Image(191,55); 
picOficinaRol.src="/design/gda/images/boto/boto_oficina_roll.jpg";