if (parent.location.href != window.location.href) {
			parent.location.href = window.location.href;
	}


function chimg(filename,target){
	document.images[target].src = filename;
}


function preloadimg(){
	var ploadimg;
	var preimages;
	preimages = new Array();
	ploadimg = new Array();
	for(i = 0; i < preimages.length; i++){
		ploadimg[i] = new Image();
		ploadimg[i].src =  preimages[i];
	}
}



function openwindow(URL,ID,W,H){
options="width="+W+",height="+H+",location=no,menubar=no,status=no";
window.open(URL,ID,options);

}


function openmap(URL){
        window.open(URL,"map_window","resizable=yes,width=570,height=500,,scrollbars=1");

}