function getObj(objId) {
	var obj = null;
	if (document.getElementById) {
		obj = document.getElementById(objId);
	} else if (document.all) {
		obj = document.all(objId);
	}
	if ( obj==null && typeof(document.getElementsByName) == "function" ) {
		obj = document.getElementsByName(objId).item(0);
	}
	return obj;
}
function focusObj(objId) {
	var obj = getObj(objId);
	if ( obj ) { obj.focus(); }
}

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;
	}
}