function $(id){return document.getElementById(id);}
function PngFix(clear){
if(navigator.userAgent.toLowerCase().indexOf('msie')>0){
	is = document.getElementsByTagName('img');
	for(x=0; x<is.length; x++){ 
		if( (is[x].src.indexOf('.png')) > 0){ 
			is[x].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+is[x].src+"', sizingMethod='scale')";
			is[x].src = clear;
		}
	}
}
}
var ArrDiv = new Array();
ArrDiv[0] = ('d1');
ArrDiv[1] = ('d2');
ArrDiv[2] = ('d3');
ArrDiv[3] = ('d4');


function St0(){
for(i=0;i<ArrDiv.length;i++)	{
	$(ArrDiv[i]).style.display='block';
	$(ArrDiv[i]+'_').style.display='none';
	}
}

function St1(n){
St0();
$(ArrDiv[(n-1)]+'_').style.display='block';
$(ArrDiv[n-1]).style.display='none';
}

function St2(n){
	
	
	}