function changeVis(vID){
	oVis = document.getElementById(vID);
	if (oVis.style.visibility=="hidden"){
		oVis.style.visibility="visible";
		oVis.style.display = "";
	} else {
		oVis.style.visibility="hidden";
		oVis.style.display="none";
	}
}

function swapImage(vImage, vFile){
	document.images[vImage].src=vFile;
}

function checkNewDrop(vDD, vOB){
	vDDVal = document.getElementById(vDD).options[document.getElementById(vDD).selectedIndex].value;
	vOBVis = document.getElementById(vOB).style.visibility;
	if( (vDDVal == 'n3w' && vOBVis == "hidden") || (vDDVal != 'n3w' && vOBVis == "visible") ){
		changeVis(vOB);
	}
}

function preloadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}