function stn(src,link) {
	document.getElementById("tnewspic").src = src;
	document.getElementById("tnewspic").alt = link;
}
function sn(src,link) {
	document.getElementById("newspic").src = src;
	document.getElementById("newspic").alt = link;
}
function std(src,link) {
	document.getElementById("tSnVpic").src = src;
	document.getElementById("tSnVpic").alt = link;
}
function sd(src,link) {
	document.getElementById("SnVpic").src = src;
	document.getElementById("SnVpic").alt = link;
}
function setClassName(id,cssclass) {
	document.getElementById(id).className = cssclass;
}