ns4=(document.layers)?true:false
ie4=(document.all)?true:false

function hideall()

{

	if(ns4)
	{
		document.layers['first'].visibility="hide"
		document.layers['second'].visibility="hide"
		document.layers['third'].visibility="hide"
		document.layers['fourth'].visibility="hide"
		document.layers['fifth'].visibility="hide"
		
	}

	if(ie4)
	{
		document.all['first'].style.visibility="hidden"
		document.all['second'].style.visibility="hidden"
		document.all['third'].style.visibility="hidden"
		document.all['fourth'].style.visibility="hidden"
		document.all['fifth'].style.visibility="hidden"
	}
}

function show(lname)
{

	
       
       if(ns4)
		{
        	  str="document.layers['"+lname+"'].visibility='show'"
        	   eval(str)

			if (screen.height == 600 && screen.width == 800)

			{

				document.layers.first.left=8;
				document.layers.second.left=160;
				document.layers.third.left=330;
				document.layers.fourth.left=511;
				document.layers.fifth.left=675;
			}

			else

			{
		 		if (screen.height<600 && screen.width <800)

				{

					document.layers.first.left=15;
					document.layers.second.left=132;
					document.layers.third.left=265;
					document.layers.fourth.left=410;
					document.layers.fifth.left=515;
				}

			
		 		else

				{

					document.layers.first.left=15;
					document.layers.second.left=200;
					document.layers.third.left=410;
					document.layers.fourth.left=640;
					document.layers.fifth.left=900;
				}

			}

        }

        if(ie4)
        {
                str="document.all['"+lname+"'].style.visibility='visible'"
                eval(str)

			if (screen.height == 600 && screen.width == 800)

			{

				document.all.first.style.left=8;
				document.all.second.style.left=160;
				document.all.third.style.left=330;
				document.all.fourth.style.left=511;
				document.all.fifth.style.left=675;
			}

			else

			{
		 		if (screen.height<600 && screen.width <800)

				{

					document.all.first.style.left=15;
					document.all.second.style.left=132;
					document.all.third.style.left=265;
					document.all.fourth.style.left=410;
					document.all.fifth.style.left=515;
				}

			
				 else

				{

					document.all.first.style.left=15;
					document.all.second.style.left=200;
					document.all.third.style.left=410;
					document.all.fourth.style.left=650;
					document.all.fifth.style.left=900;
					//document.all.Layer1.style.left=9
					//document.all.Layer1.style.top=84
				}

			}

        }



}


function swap(Img,Src)

		{
			eval('document.'+Img+'.src ="'+Src+'"');
		}