function getObj(id) {
	obj = null;
	if (document.all) {obj = document.all(id);}
	else if (document.getElementById) {obj = document.getElementById(id); }
	if ( ! obj && document.getElementsByName ) { obj = document.getElementsByName(id)[0]; }
	return obj;
}
function toggleDisplay(dID) {
	var dObj = getObj(dID);
	if (dObj.style.display == 'none' ) {
		dObj.style.display = 'block';
	} else {
		dObj.style.display = 'none';
	}
}
function changeImg(id,path){
	obj=null;
	if(!obj && document.all){obj=document.all(id);}
	else if(!obj && document.getElementById){obj=document.getElementById(id);}
	else if(!obj && document.images){obj=document.images(id);}
	if (obj){obj.src=path;}
}
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeSelectVal(id,val,ena) {
	idObj = getObj(id);
	if ( val!='' ) idObj.selectedIndex=val;
	if ( ena ) idObj.disabled = false;
	else idObj.disabled = true;
}
function changeCheckboxVal(checkVal,tgName){
	for(count = 0; count < document.getElementsByName(tgName).length; count++){
		document.getElementsByName(tgName)[count].checked = checkVal;
	}
}
function openWin(href,name,w,h,hpos,vpos) {
	switch ( hpos ) {
		case 'left':
			x = 0; break;
		case 'right':
			x = screen.width - w; break;
		case 'center':
		default:
			x = (screen.width - w) / 2; break;
	}
	switch ( vpos ) {
		case 'top':
			y = 0; break;
		case 'bottom':
			y = screen.height - w; break;
		case 'center':
		default:
			y = (screen.height - h) / 2; break;
	}
	window.open(href,name,'width='+w+', height='+h+', top='+y+', left='+x+', status=no, location=no, toolbar=no, menubar=no, resizable=yes');
}