/////////////////////////  preload   /////////////////////////
function initImages(){
	args_images_II = initImages.arguments;
	for (var i = 0; i < args_images_II.length; i++){
		eval (args_images_II[i][0] + '= new Image();')
		eval (args_images_II[i][0] + '.src = "' + args_images_II[i][1] + '";');
	}
}

/////////////////////////  changeImage   /////////////////////////
function changeImages(){
	args_images_SI = showImages.arguments;	
	eval ('document.images["' + args_images_SI[0] + '"].src = ' + args_images_SI[1] + '.src;');
}


function changeLayerImages(){
	args_images_SI = changeLayerImages.arguments;
	if (bw.ns4){	
		document.layers[args_images_SI[0]].document.images[args_images_SI[1]].src = eval (args_images_SI[2] + '.src;');
		return -1;
	}
		if (document.all != null){	
		document.images[args_images_SI[1]].src = eval (args_images_SI[2] + '.src;');
		return -1;
	}
		if (bw.myID){	
		document[args_images_SI[1]].src = eval (args_images_SI[2] + '.src;');
		return -1;
	}
}
/////////////////////////  hide/show   /////////////////////////

function showLayer(myLayer){
			if(bw.ns4){
				document.layers[myLayer].visibility="show";
				return -1;
			}	
			if (document.all != null && !bw.myID){	
				document.all[myLayer].style.visibility="visible";
				return -1;
			}
			if(bw.myID){
				document.getElementById(myLayer).style.visibility="visible";
				return -1;
			}
}

function hideLayer(myLayer){
			if(bw.ns4){
				document.layers[myLayer].visibility="hide";
				return -1;
			}
			if (document.all != null && !bw.myID){	
				document.all[myLayer].style.visibility="hidden";
				return -1;
			}
			if(bw.myID){
				document.getElementById(myLayer).style.visibility="hidden";
				return -1;
			}		
}

function posY(myLayer, myValue){
			if(bw.ns4){
				//document.layers[myLayer].visibility="hide";
				return -1;
			}
			if (document.all != null && !bw.myID){	
				document.all[myLayer].style.top = myValue;
				return -1;
			}
			if(bw.myID){
				document.getElementById(myLayer).style.top= myValue + "px";
				return -1;
			}		
}
/////////////////////////  Change Styles   /////////////////////////
function changeClass( obj, cname ) {
	if (document.getElementById){
		document.getElementById(obj).className =  cname;
		return true;
	}
	if (document.all){
		document.all(obj).className = cname;
		return true;
	}   
}