function setMainShares(val) {
	if (val == 0) {
		document.getElementById('chart').setMainTitle('EDN|IT0003152417|Edison');	
	}
	else if (val == 1) {
		document.getElementById('chart').setMainTitle('EDNR|IT0003372205|Edison Risp.');	
	}
	else {
		document.getElementById('chart').setMainTitle('WEDN|IT0003439210|Warr. Edison');	
	}
}