function openfwin(url,name) {
        var top=0;
        var left=0;
	var height=window.screen.availHeight;
	var width=window.screen.availWidth;

        childwin=window.open(url,name,'fullscreen=yes,toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,status=no');
}

function opencwin(url,name,h,w) {
	if(h>window.screen.availHeight) h=window.screen.availHeight;
	if(w>window.screen.availWidth) w=window.screen.availWidth;

        var top=((window.screen.availHeight-h)/2);
        var left=((window.screen.availWidth-w)/2);

	if(top<0) top=0;
	if(left<0) left=0;

        window.open(url,name,'height='+h+',width='+w+',top='+top+',left='+left+',toolbar=no,menubar=no,scrollbars=yes,resizable=yes,location=no,status=no');
}

function openxwin(url,name,h,w) {
	if(h>window.screen.availHeight) h=window.screen.availHeight;
	if(w>window.screen.availWidth) w=window.screen.availWidth;

        var top=((window.screen.availHeight-h)/2);
        var left=((window.screen.availWidth-w)/2);

	if(top<0) top=0;
	if(left<0) left=0;

        childwin=window.open(url,name,'height='+h+',width='+w+',top='+top+',left='+left+',toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,status=no');
}

function openxywin(url,name,t,l,h,w) {
        childwin=window.open(url,name,'height='+h+',width='+w+',top='+t+',left='+l+',toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,status=no');
}

function openurlum(url,name) {
	window.open (url,name,'dependent,height=560,width=440,top=110,left=280,location=no,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,location=no,status=no');
}