function popup(type, id,w,h) {
	
	var leftPos = (screen.width) ? (screen.width-w)/2 : 0;
	var topPos =  (screen.height) ? (screen.height-h)/4: 0;
	
	var link = './modules/esittely.php?type='+ type +'&id='+ id;
		
	newwindow=window.open(link,'Esittely','height='+h+',width='+w+',top='+ topPos +',left='+leftPos+',location=no,menubar=no,scrollbars=yes');
	newwindow.focus();
}

function gpopup(p,w,h) {
	
	var leftPos = (screen.width) ? (screen.width-w)/2 : 0;
	var topPos =  (screen.height) ? (screen.height-h)/4: 0;
		
	newwindow=window.open(p,'Esittely','height='+h+',width='+w+',top='+ topPos +',left='+leftPos+',location=no,menubar=no,scrollbars=yes');
	newwindow.focus();
}