var score_layers = new Array( "layer1", "layer2" , "layer3" , "layer4" , "layer5" , "layer6" , "layer7" , "layer8" )
var score_objs = new Array( score_layers.length );

function score_getObjs(){

	var nObjMax = score_layers.length;

	for( nCount = 0; nCount < nObjMax; nCount++ ){
		score_objs[nCount] = document.getElementById( score_layers[nCount] );
	}
}

function setMultitap( layerID ){

	score_objs[0] != null ? "" : score_getObjs();

	if( layerID == score_objs[0].id ){
		score_objs[0].style.display = "";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "none";

	}else if( layerID == score_objs[1].id ){
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "none";
		}
	 else if( layerID == score_objs[2].id ){
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "none";
		}
     else if( layerID == score_objs[3].id ){
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "none";
		}
     else if( layerID == score_objs[4].id ){
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "none";
		}
     else if( layerID == score_objs[5].id ){
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "none";
		}
     else if( layerID == score_objs[6].id ){
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "";
		score_objs[7].style.display = "none";
		}
  
	else{
		score_objs[0].style.display = "none";
		score_objs[1].style.display = "none";
		score_objs[2].style.display = "none";
		score_objs[3].style.display = "none";
		score_objs[4].style.display = "none";
		score_objs[5].style.display = "none";
		score_objs[6].style.display = "none";
		score_objs[7].style.display = "";

	}
}