function OpenWin(pdfName){
	if( pdfName == "" ){
		
	}else{
		//pdfName = "dummy_file";
		x = (screen.width - 800) / 2;
		y = (screen.height - 700) / 2;
		var url = "./pdf/" + pdfName + ".pdf";
	    win=window.open(url,"_new","screenX="+x+",screenY="+y+",left="+x+",top="+y+",width=800,height=600,scrollbars=yes,resizable=yes,menubar=yes,status=yes'");
    }
}