function getElementHeight(Elem) 
{
	if(document.getElementById) 
	{
		var elem = document.getElementById(Elem);
	} 
	else if(document.all)
	{
		var elem = document.all[Elem];
	}
	xPos = elem.offsetHeight;
	
	return xPos;
}

function getElementWidth(Elem) 
{
	if(document.getElementById) 
	{
		var elem = document.getElementById(Elem);
	} 
	else if(document.all)
	{
		var elem = document.all[Elem];
	}
	xPos = elem.offsetWidth;
		
	return xPos;
}

function open_popup_window(url, window_name, window_parameters)
{
	var new_window = '';
	
	new_window = window.open(url, window_name, window_parameters, "no");	
	
	new_window.focus();
}

function jump_menu(targ,selObj,restore)
{
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if(restore) selObj.selectedIndex=0;
}

function show_loading(layer1)
{
	if(document.layers)
	{
		current = (document.layers[layer1].display == 'none') ? 'block' : 'none';
		document.layers[layer1].display = "block";
	}
	else if(document.all)
	{
		current = (document.all[layer1].style.display == 'none') ? 'block' : 'none';
		document.all[layer1].style.display = "block";
	}
	else if(document.getElementById)
	{
		vista = (document.getElementById(layer1).style.display == 'none') ? 'block' : 'none';
		document.getElementById(layer1).style.display = "block";
	}
} 

function drop_down_confirm_and_submit(text, form_id, layer1)
{
	if(confirm('Are you sure you want to change '+text+'?'))
	{
	   	show_loading(layer1);
		if(document.layers)
		{
			document.layers[form_id].submit();
		}
		else if(document.all)
		{
			document.all[form_id].submit();
		}
		else if(document.getElementById)
		{
			document.getElementById(form_id).submit();
		}
	}
	else
	{
		temp = window.location.href;
	   	show_loading(layer1);
		window.location.href = temp;
		return false;   
	}
}