if (NS6IE6){
		 	  document.writeln("<link rel=\"stylesheet\" type=\"text/css\" href=\"includes/iestyle.css\">")
			}
			else if(NS4) {				    
					document.writeln("<link rel=\"stylesheet\" type=\"text/css\" href=\"includes/NSstyle.css\">")
				 	} 
				 else if(IE4) {
					  document.writeln("<link rel=\"stylesheet\" type=\"text/css\" href=\"includes/iestyle.css\">")
					  };