function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}
function readonlyfield(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).readOnly = true;
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.readOnly = true;
		}
		else { // IE 4
			document.all.id.style.readOnly = true;
		}
	}
}
function showdiv(id) {
	//safe function to show an element with a specified id

	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}
// Dynamic Iframe loader
function loadIframe(theURL) {
	document.getElementById("mainImage").src=theURL;
}

// resizes Iframe according to content
function resizeMe(obj){
	docHeight = mainImage.document.body.scrollHeight;
	obj.style.height = (docHeight) + 'px';
}