function ChangeBigPic(ch_no,total_ch) {
	var ChButton ;
	for (var ix = 1; ix < total_ch+1; ix++) { 
		ChButton = 'ChBtn-' + ix ;
		document.getElementById(ChButton).src='images/chn-button-'+document.getElementById(ChButton).alt+'.gif';	
		}
	ChButton = 'ChBtn-' + ch_no ;
	document.getElementById(ChButton).src='images/chn-button-'+document.getElementById(ChButton).alt+'-select.gif';
	$("#channelslider").fadeToggle("fast");
	document.getElementById('BigPic').src='images/chn-banner-'+document.getElementById(ChButton).alt+'.jpg';
	document.getElementById('BigPic').alt= document.getElementById(ChButton).alt;
	
	$("#channelslider").fadeToggle("fast");

//var sample=document.getElementById('BigPic')
	//sample.filters[0].apply()
	//sample.src='images/chn-banner-'+ch_no+'.jpg';
	//sample.filters[0].play() 
}