function hide(){
				
			document.getElementById('slider1').style.display ='none';
			document.getElementById('slider2').style.display ='none';
			document.getElementById('night_img').src= 'images/night.png';
			document.getElementById('day_img').src= 'images/day.png';
		}
		function show(obj, obj2){
			hide();	
			document.getElementById(obj).style.display ='block';
			if (obj2 =='day_img')
				document.getElementById('day_img').src= 'images/day_a.png';
				else document.getElementById('night_img').src= 'images/night_a.png';
		}
	

		function hh(obj)
		{
		    
			document.getElementById(obj).className="form-submit-hover";
		}
		function hh2(obj)
		{
		    
			document.getElementById(obj).className="form-submit";
		}
		
		function hhm(obj)
		{
		    

			document.getElementById(obj).style.background = "url(images/nav_left_h.gif) no-repeat";
		
		}
		function hhm2(obj)
		{
		    

			document.getElementById(obj).style.background = "url(images/nav_left.gif) no-repeat";
		}