var popwindow
var tisurl
var tiswidth
var tisheight
var thismargin=50
var tistopposition=thismargin
var tisleftposition=thismargin
var pause=10
var step=100
var screenwidth
var screenheight
var endposition_x
var endposition_y
var timer

function openpopup(thisurl,thiswidth,thisheight) {
	tisurl=thisurl
	tiswidth=thiswidth
	tisheight=thisheight

//	popwindow=window.open(tisurl, "newwindow", "toolbar=no,resizable=no,width="+tiswidth+",height="+tisheight+",top="+tistopposition+",left="+(tisleftposition)+"");

	popwindow=window.open(tisurl, "newwindow", "toolbar=no,resizable=no,scrollbars=no,width="+tiswidth+",height="+tisheight+",top="+tistopposition+",left="+(tisleftposition)+"");

	screenwidth=window.screen.width
	screenheight=window.screen.height
	endposition_x=screenwidth-thiswidth-thismargin
	endposition_y=screenheight-thisheight-thismargin
}