if((navigator.appVersion.indexOf("MSIE")==-1) && (navigator.appVersion.indexOf("Win") >= 0))
			{
			if ( navigator.appVersion.indexOf("5.0") <= 0 )
				{
				document.write("<LINK REL=\"Stylesheet\" HREF=\"styles/win_nn6.css\" type=\"text/css\">");
				}
			else if(navigator.appVersion.indexOf("Win") >= 0)	
				{
				document.write("<LINK REL=\"Stylesheet\" HREF=\"styles/win_nn.css\" type=\"text/css\">");
				}
			else if(navigator.appVersion.indexOf("Mac") >= 0) 
				{
				document.write("<LINK REL=\"Stylesheet\" HREF=\"styles/mac_nn.css\" type=\"text/css\">");
				}
			}
		if(navigator.appVersion.indexOf("MSIE") >= 0)
			{
			if(navigator.appVersion.indexOf("Mac") >= 0) 
				{
				document.write("<LINK REL=\"Stylesheet\" HREF=\"styles/mac_ie.css\" type=\"text/css\">");
				}
			else if(navigator.appVersion.indexOf("Win") >= 0) 
				{
				document.write("<LINK REL=\"Stylesheet\" HREF=\"styles/win_ie.css\" type=\"text/css\">");
				}
			}
		if(navigator.appVersion.indexOf("MSIE 4") >= 0 && navigator.appVersion.indexOf("Mac") >= 0)
			{
				document.write("<LINK REL=\"Stylesheet\" HREF=\"styles/mac_nn.css\" type=\"text/css\">");
			}