// JavaScript Document
function switch_sub_content(show_div,hide_div,hide_div2,hide_div3)
{
	if (document.layers) {browserType = "nn4"}
	if (document.all) {browserType = "ie"}
	if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}	
	if (browserType == "gecko")
  	{
     		document.poppedLayerShow = eval('document.getElementById(show_div)');
     		document.poppedLayerHide = eval('document.getElementById(hide_div)');
			document.poppedLayerHide2 = eval('document.getElementById(hide_div2)');
			document.poppedLayerHide3 = eval('document.getElementById(hide_div3)');
     	}
  	else if (browserType == "ie")
  	{
     		document.poppedLayerShow = eval('document.all[show_div]');
     		document.poppedLayerHide = eval('document.all[hide_div]');
			document.poppedLayerHide2 = eval('document.all[hide_div2]');
			document.poppedLayerHide3 = eval('document.all[hide_div3]');
			
     	}
  	else
  	{
     		document.poppedLayerShow = eval('document.layers[show_div]');
     		document.poppedLayerHide = eval('document.layers[hide_div]');
			document.poppedLayerHide2 = eval('document.layers[hide_div2]');
			document.poppedLayerHide2 = eval('document.layers[hide_div3]');
		
     	}
	document.poppedLayerShow.style.display = "block";
	document.poppedLayerHide.style.display = "none";	
	document.poppedLayerHide2.style.display = "none";	
	document.poppedLayerHide3.style.display = "none";	
			
}