function light()
{		
		
		if(document.getElementsByTagName("body")[0].style.backgroundColor == "")
		{	
			i=237;a=239;b=0;
		}
		if(i>79 && a==239 && b<1)
		{
			if(i>80)
			{					
				document.getElementsByTagName("body")[0].style.backgroundColor = "rgb("+i+", "+i+", "+i+")";				
				--i;
				setTimeout("light()", 11);
			}			
			else
			{			
				i=79;	
				b=1;					
			}
		}
		else
		{						
			if(b==1 && i<238)
			{							
				document.getElementsByTagName("body")[0].style.backgroundColor = "rgb("+i+", "+i+", "+i+")";
				++i;		
				setTimeout("light()", 11);					
			}			
			else
			{											
				b=0;				
			}
		}	
		
	
}
function lighthint()
{
}
function lighton()
{	

}