function ins(img){
	img_on=img;
	img_on.filters.alpha.opacity=80;
	img_on.style.cursor='hand';
}

function out(img){
	img_off=img;
	img_off.filters.alpha.opacity=100;
}

function ampliar(z,subarea_inst_web){
	window.open('photo_zoom.php?src=apresentacao_'+subarea_inst_web+'_foto'+z+'_thumb','Zoom','top=0,left=0,width=430,height=320, status=no,toolbars=no,scrollbars=no');
}

function ampliar2(z,subarea_inst_web){
	window.open('photo_zoom.php?src=convencao_'+subarea_inst_web+'_foto'+z+'_thumb','Zoom','top=0,left=0,width=430,height=320, status=no,toolbars=no,scrollbars=no');
}