function stretch_cols() {
		var lc=document.getElementById("leftcolomn");
		var flc=document.getElementById("colfooter-bottomleft");
		var rc=document.getElementById("rightcolomn");
		var frc=document.getElementById("colfooter-bottomright");
		var cc=document.getElementById("centercolomn");
		var cashbutton=document.getElementById("cashbutton");
		
		// if left colomn less than content, adjust
		if (lc.offsetHeight < cc.offsetHeight) {
			lc.style.height=cc.offsetHeight+"px";
		}
		
		// if right colomn less than content, adjust
		if (rc.offsetHeight < cc.offsetHeight) {
			rc.style.height=cc.offsetHeight+"px";
		}
		
		// if colomn heights dont match, adjust
		if (lc.offsetHeight > rc.offsetHeight) {
			rc.style.height=lc.offsetHeight+"px";
		} else if (rc.offsetHeight > lc.offsetHeight) {
			lc.style.height=rc.offsetHeight+"px";
		}

		cashbutton.style.visibility='visible';
	}
	
function tvlisting(channel,field) {
	var listings=frames['ifTV'].listings;
	var selecter=frames['ifTV'].selecter;
	
	document.getElementById("showfield"+field).innerHTML="<select id=\"tvselecter" + field + "\" style=\"color:#fff\" onchange=\"tvlisting('tvselecter" + field + "'," + field + ")\">" + selecter + "</select>" + listings[document.getElementById(channel).value];
}

function tvlisting_l() {
	var listings=frames['ifTV'].listings;
	var selecter=frames['ifTV'].selecter;
	
	document.getElementById("showfield0").innerHTML="<select id=\"tvselecter0\" onchange=\"tvlisting('tvselecter0',0)\">" + selecter + "</select>" + listings[0];
	document.getElementById("showfield1").innerHTML="<select id=\"tvselecter1\" onchange=\"tvlisting('tvselecter1',1)\">" + selecter +"</select>" + listings[4];
	document.getElementById("showfield2").innerHTML="<select id=\"tvselecter2\" onchange=\"tvlisting('tvselecter2',2)\">" + selecter + "</select>" + listings[9];
}

function tvchangeday() {
	var sel=document.forms.frmtvlisting_day.tvlisting_day;
	var day=sel.options[sel.selectedIndex].value;
	
	frames['ifTV'].document.location='./js_listings.php?day=' + day;
}

function searchbutton(e, state) {
		var btn=eval(e);
		if (state==0) {
			btn.style.color='#fefefe';
		} else if (state==1) {
			btn.style.color='#fff2c7';
		}
	}


	onload=stretch_cols;
	onresize=stretch_cols;