// JavaScript Document
function show_hide(tablename, initid, howmany) {
	plus = new Image();
	plus.src = 'img/plus.png';
	minus = new Image();
	minus.src = 'img/minus.png';
	//alert (document.getElementById(tablename + 'showhideimg' + initid).getAttribute('src'));
	if (document.getElementById(tablename + 'showhideimg' + initid).getAttribute('src') == plus.src) {
		var dowhat = 'show';
		document.getElementById(tablename + 'showhideimg' + initid).setAttribute('src', minus.src);
	}
	else {
		var dowhat = 'hide';
		document.getElementById(tablename + 'showhideimg' + initid).setAttribute('src', plus.src);
	}

	if (navigator.appName == 'Netscape') { //works for Netscape, Mozilla and Firefox
		if (dowhat == 'show'){
			var rowoperator = 'table-row';
		} else if (dowhat == 'hide') {
			var rowoperator = 'none';
		}
	} else { //works for Microfuckingsoft Internet Exploder and Operaugh.
		if (dowhat == 'show'){
			var rowoperator = 'block';
		} else if (dowhat == 'hide') {
			var rowoperator = 'none';
		}
	}

for (i=1; i < howmany+1; i++){
			document.getElementById(tablename + (i+initid)).style.display=rowoperator;
	}
}