function over_d(id){
document.getElementById(id).src ="main/butt_over.gif";
}
function out_d(id){
document.getElementById(id).src ="main/butt.gif";
}
function over_i(id){
document.getElementById(id).src ="main/Info_over.gif";
}
function out_i(id){
document.getElementById(id).src ="main/Info.gif";
}
function disableSelection(target){
if (typeof target.onselectstart!="undefined") //IE route
	target.onselectstart=function(){return false}
else if (typeof target.style.MozUserSelect!="undefined") //Firefox route
	target.style.MozUserSelect="none"
else //All other route (ie: Opera)
	target.onmousedown=function(){return false}
target.style.cursor = "default"
}