function changeTo ( toShow, toHides ) {

var toHide = toHides.split("|");

for (loop = 0; loop < toHide.length; loop ++) {
 if(toHide[loop]) {
				
document.getElementById('id_'+toHide[loop]).style.display='none';

}
}




document.getElementById('id_'+toShow).style.display='block';


}