name=navigator.appName;
var time=3;

function imgchange(imgfile){
	if(name=="Microsoft Internet Explorer"){
 		imgframe.filters.blendTrans.Apply();
		imgframe.filters.blendTrans.duration=time;
		imgframe.src=imgfile;
		imgframe.filters.blendTrans.Play();
	
	}else{
		document.imgframe.src=imgfile;
	}
} 

function tree(LinkName) {
	ls = document.all[LinkName].style;
	if(ls.display == 'none') {
		ls.display = "block"
	} else {
		ls.display = "none"
	}
}