function go_away(){
		var formElement = document.getElementById('outer_div');
		if (formElement && formElement.parentNode && formElement.parentNode.removeChild) {
		formElement.parentNode.removeChild(formElement);}
		var formElement = document.getElementById('inner_div');
		if (formElement && formElement.parentNode && formElement.parentNode.removeChild) {
		formElement.parentNode.removeChild(formElement);}
	}

	function show_backdrop(){
		var outer_div = document.createElement('div');
		outer_div.className = 'errconf_outer';
		outer_div.name = 'outer_div';
		outer_div.id = 'outer_div';
		outer_div.style.zIndex = '5';
		outer_div.style.opacity = .50;
		outer_div.style.MozOpacity = .50;					
		outer_div.style.filter = 'alpha(opacity='+(50)+')';
		outer_div.style.width = '100%';		var out_height = screen.height;
		if(document.body.offsetHeight > out_height){out_height = document.body.offsetHeight};
		outer_div.style.height = out_height+'px';
		outer_div.setAttribute('onclick', 'go_away()');		document.body.appendChild(outer_div);

		var inner_div = document.createElement('div');
		var center = window.innerWidth / 2;		center = center-300;
		inner_div.style.position = 'fixed';
		inner_div.style.marginTop = '25px';
		inner_div.className = 'errconf_inner';
		inner_div.style.zIndex = '6';
		inner_div.style.background = '#ffffff';
		inner_div.style.paddingBottom = '40px';
		inner_div.id = 'inner_div';
		inner_div.style.top = '0px';
		inner_div.style.opacity = .99;
		inner_div.style.MozOpacity = .99;					
		inner_div.style.filter = 'alpha(opacity='+(99)+')';
		inner_div.style.left = center+'px';
		document.body.appendChild(inner_div);

		var tmp_div1 = document.createElement('div');
		tmp_div1.style.background = '#ffffff';
		tmp_div1.style.marginTop = '5px'
		tmp_div1.style.marginLeft = '570px';
		inner_div.appendChild(tmp_div1);

		var close = document.createElement('img');
		close.src = '/images/close2.gif';
		close.setAttribute('onclick', 'go_away()');		tmp_div1.appendChild(close);

		var tmp_div2 = document.createElement('div');
		inner_div.appendChild(tmp_div2);

		img = document.createElement('img');
		img.src = '/images/injection-molding-geometry.jpg';
		tmp_div2.appendChild(img);
	}