Encoder = {


	isEmpty : function(val){
		if(val){
			return ((val===null) || val.length==0 || /^\s+$/.test(val));
		}else{
			return true;
		}
	},
	arr1: new Array(' ','¡','¢','£','¤','¥','¦','§','¨','©','ª','«','¬','­','®','¯','°','±','²','³','´','µ','¶','·','¸','¹','º','»','¼','½','¾','¿','À','Á','Â','Ã','Ä','Å','&Aelig;','Ç','È','É','Ê','Ë','Ì','Í','Î','Ï','Ð','Ñ','Ò','Ó','Ô','Õ','Ö','×','Ø','Ù','Ú','Û','Ü','Ý','Þ','ß','à','á','â','ã','ä','å','æ','ç','è','é','ê','ë','ì','í','î','ï','ð','ñ','ò','ó','ô','õ','ö','÷','Ø','ù','ú','û','ü','ý','þ','ÿ','"','&','<','>','œ','œ','š','š','ÿ','ˆ','˜',' ',' ',' ','‌','‍','‎','‏','–','—','‘','’','‚','“','”','„','†','†','‰','‹','›','€','ƒ','α','β','γ','δ','ε','ζ','η','θ','ι','κ','λ','μ','ν','ξ','ο','π','ρ','σ','τ','υ','φ','χ','ψ','ω','α','β','γ','δ','ε','ζ','η','θ','ι','κ','λ','μ','ν','ξ','ο','π','ρ','ς','σ','τ','υ','φ','χ','ψ','ω','ϑ','ϒ','ϖ','•','…','′','′','‾','⁄','℘','ℑ','ℜ','™','ℵ','←','↑','→','↓','↔','↵','←','↑','→','↓','↔','∀','∂','∃','∅','∇','∈','∉','∋','∏','∑','−','∗','√','∝','∞','∠','∧','∨','∩','∪','∫','∴','∼','≅','≈','≠','≡','≤','≥','⊂','⊃','⊄','⊆','⊇','⊕','⊗','⊥','⋅','⌈','⌉','⌊','⌋','⟨','⟩','◊','♠','♣','♥','♦'),
	arr2: new Array(' ','¡','¢','£','¤','¥','¦','§','¨','©','ª','«','¬','­','®','¯','°','±','²','³','´','µ','¶','·','¸','¹','º','»','¼','½','¾','¿','À','Á','Â','Ã','Ä','Å','Æ','Ç','È','É','Ê','Ë','Ì','Í','Î','Ï','Ð','Ñ','Ò','Ó','Ô','Õ','Ö','×','Ø','Ù','Ú','Û','Ü','Ý','Þ','ß','à','á','â','ã','ä','å','æ','ç','è','é','ê','ë','ì','í','î','ï','ð','ñ','ò','ó','ô','õ','ö','÷','ø','ù','ú','û','ü','ý','þ','ÿ','"','&','<','>','Œ','œ','Š','š','Ÿ','ˆ','˜',' ',' ',' ','‌','‍','‎','‏','–','—','‘','’','‚','“','”','„','†','‡','‰','‹','›','€','ƒ','Α','Β','Γ','Δ','Ε','Ζ','Η','Θ','Ι','Κ','Λ','Μ','Ν','Ξ','Ο','Π','Ρ','Σ','Τ','Υ','Φ','Χ','Ψ','Ω','α','β','γ','δ','ε','ζ','η','θ','ι','κ','λ','μ','ν','ξ','ο','π','ρ','ς','σ','τ','υ','φ','χ','ψ','ω','ϑ','ϒ','ϖ','•','…','′','″','‾','⁄','℘','ℑ','ℜ','™','ℵ','←','↑','→','↓','↔','↵','⇐','⇑','⇒','⇓','⇔','∀','∂','∃','∅','∇','∈','∉','∋','∏','∑','−','∗','√','∝','∞','∠','∧','∨','∩','∪','∫','∴','∼','≅','≈','≠','≡','≤','≥','⊂','⊃','⊄','⊆','⊇','⊕','⊗','⊥','⋅','⌈','⌉','⌊','⌋','〈','〉','◊','♠','♣','♥','♦'),
		

	HTML2Numerical : function(s){
		return this.swapArrayVals(s,this.arr1,this.arr2);
	},	

	NumericalToHTML : function(s){
		return this.swapArrayVals(s,this.arr2,this.arr1);
	},

	htmlDecode : function(s){

		var c,m,d = s;
		
		if(this.isEmpty(d)) return "";

	
		d = this.HTML2Numerical(d);
		

		arr=d.match(/&#[0-9]{1,5};/g);
		
	
		if(arr!=null){
			for(var x=0;x<arr.length;x++){
				m = arr[x];
				c = m.substring(2,m.length-1); 
			
				if(c >= -32768 && c <= 65535){
					
					d = d.replace(m, String.fromCharCode(c));
				}else{
					d = d.replace(m, ""); 
				}
			}			
		}

		return d;
	},	
	
	swapArrayVals : function(s,arr1,arr2){
		if(this.isEmpty(s)) return "";
		var re;
		if(arr1 && arr2){
	
		
			if(arr1.length == arr2.length){
				for(var x=0,i=arr1.length;x<i;x++){
					re = new RegExp(arr1[x], 'g');
					s = s.replace(re,arr2[x]); 
				}
			}
		}
		return s;
	}



}