Here's The Code <script language=JavaScript>m='%3CSCRIPT%20LANGUAGE%3D%22JavaScript%22%3E%0D%0A%0D%0A%0D%0A%0D%0A%3C%21--%20Original%3A%20%20SkyFlyer%20%20--%3E%0D%0A%0D%0A%3C%21--%20%20Begin%0D%0Afunction%20MakeIt%28form%29%7B%0D%0Avar%20txt%3D%27%3CMETA%20NAME%3D%22DESCRIPTION%22%20CONTENT%3D%22%27+form.description.value+%27%22%3E%5Cr%5Cn%27%3B%0D%0Atxt+%3D%27%3CMETA%20NAME%3D%22KEYWORDS%22%20CONTENT%3D%22%27%3B%0D%0Aif%20%28form.keywords.value%29%20%0D%0Atxt+%3Dform.keywords.value+%27%22%3E%5Cr%5Cn%27%3B%0D%0Aform.source.value%3Dtxt%3B%0D%0A%7D%0D%0Afunction%20AddText%28form%2C%20Action%29%7B%0D%0Avar%20AddTxt%3D%22%22%3B%0D%0Avar%20txt%3D%22%22%3B%0D%0Aform.keywords.value+%3DAddTxt%3B%0D%0A%7D%0D%0Afunction%20ResetPage%28form%29%7B%0D%0Aif%28confirm%28%22Do%20you%20want%20to%20clear%20all%20and%20start%20a%20new%20META-tag%20Creation%3F%22%29%29%7B%09%0D%0Aform.description.value%3D%22%22%3B%09%0D%0Aform.source.value%3D%22%22%3B%09%0D%0Aform.keywords.value%3D%22%22%3B%09%0D%0A%20%20%20%7D%0D%0A%7D%0D%0A//%20End%20--%3E%0D%0A%3C/SCRIPT%3E%0D%0A%3CCENTER%3E%0D%0A%3CFORM%20ACTION%3D%22%22%3E%0D%0A%3CTABLE%20BGCOLOR%3D%22dedfdf%22%20border%3D%222%22%20cellpadding%3D%224%22%3E%0D%0A%3CTR%3E%0D%0A%3CTD%20align%3D%22center%22%3E%3CFONT%20SIZE%3D%223%22%20FACE%3D%22arial%22%3E%3CB%3ESite%20Description%3CBR%3E%3Cfont%20size%3D%22-2%22%3E%28more%20descriptive%20the%20better%29%3C/font%3E%3C/TD%3E%0D%0A%3CTD%20align%3D%22center%22%3E%3CINPUT%20TYPE%3D%22text%22%20NAME%3D%22description%22%20size%3D32%3E%3C/TD%3E%0D%0A%3C/TR%3E%0D%0A%0D%0A%3CTR%3E%0D%0A%3CTD%20align%3D%22center%22%3E%3CFONT%20SIZE%3D%223%22%20FACE%3D%22arial%22%3E%3CB%3E%3CCENTER%3EUp%20to%2010%20Keywords%3CBR%3E%3Cfont%20size%3D%22-2%22%3E%28separated%20with%20spaces%29%3C/font%3E%3C/TD%3E%0D%0A%3CTD%20align%3D%22center%22%3E%3Cinput%20type%3D%22text%22%20name%3D%22keywords%22%20size%3D32%3E%3C/TD%3E%0D%0A%3C/TR%3E%0D%0A%0D%0A%3CTR%3E%0D%0A%3CTD%3E%3CFONT%20SIZE%3D%223%22%20FACE%3D%22arial%22%3E%3CB%3E%3CCENTER%3E%3Cinput%20type%3D%22button%22%20value%3D%22Create%20Tags%22%20onClick%3D%22MakeIt%28this.form%29%3B%22%3E%3C/B%3E%3C/TD%3E%0D%0A%3CTD%20align%3D%22center%22%3E%3CFONT%20SIZE%3D%222%22%3E%3CB%3EHere%20is%20your%20META%20-%20tag%20coding.%0D%0A%3CBR%3EPut%20it%20in%20the%20HEAD%20of%20your%20HTML%20document.%3CBR%3E%3CP%3E%3Ctextarea%20name%3D%22source%22%20rows%3D5%20Cols%3D45%3E%3C/textarea%3E%3C/TD%3E%0D%0A%3C/TR%3E%0D%0A%0D%0A%3C/TABLE%3E%0D%0A%3C/FORM%3E%0D%0A%3C/CENTER%3E%0D%0A%3Cfont%20color%3D%22%23008fff%22%3EBy%3Ca%20href%3D%22http%3A//rules111.xtgem.com/%22%3E%20Rules111%3C/a%3E';d=unescape(m);document.write(d);</script>
DEMO