// parametresinde alinan string degerin sag ve solundaki gereksiz bosluklari kirpar
	function kirp(s){
		while ( ( s.substring( 0,1 ) == " " ) || ( s.substring( 0,1 ) == "\\n") || ( s.substring( 0,1 ) == "\\r" ) ){
			s = s.substring( 1,s.length ); 
		}
		while ( ( s.substring( s.length-1,s.length ) == " " ) || ( s.substring( s.length-1,s.length ) == "\\n" ) || ( s.substring( 
		  s.length-1,s.length ) == "\\r" ) ){
			s = s.substring( 0,s.length-1 );
		}
		return s;
	}

	
		// parametresinde verilen string degerin email bicimine uyup uymadigini kontrol eder.
	function emailKontrol(s){
		var OK = true;
		var karakter = "";
		var strOK = "1234567890-_.^~@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
		
		if(s.indexOf("@") == -1 || s.indexOf(".") == -1){
			return false;
		}
		else{
			for(var i=0; i<= s.length && OK == true; i++){
				karakter = s.substr(i,1);
				if(strOK.indexOf(karakter) == -1) OK = false;
			}
		
			atsonra = s.substring(s.indexOf("@")+1,s.length);
			
			if(s.substr(s.indexOf("@")+1,1) == "." || 
					s.substr(s.length-1, 1) == "@" || 
					s.substr(s.length-1, 1) == "." ||
					atsonra.indexOf(".") == -1 ||
					atsonra.indexOf("@") > -1) OK = false;
			
			
			if(s.indexOf("@")<1) OK = false;
		
			return OK;
		}        
	}
	
	
	
	
	  
  function intKontrol (s){
	  var i;
	
	  if (kirp(s) > ''){
		  
			var is_digit;
			
		  for (i = 0; i < s.length; i++)
		  {
		    var c = s.charAt(i);
				is_digit = (c >= "0") && (c <= "9")
		    if (!is_digit) return false;
		  }
		}
	
	  return true;
	}

	
	
	
	
	
	
	
	function tagSil(str){
		while(str.indexOf("<") != -1 && str.indexOf(">") != -1){
			strsil = str.substring(str.indexOf("<"),str.indexOf(">")+1);
			str = str.replace(strsil,"");
		}
		str = str.toLowerCase().replace(/&nbsp;/g,"");
		str = str.replace(" ","");
		return str;
	}
	
	
	function filtreHTML(str){
		str = str.replace(/%/g,"([%])");
		str = str.replace(/&/g,"([amp])");
		return str;
	}	
	
	
	
	function textZoom( action, ref_size, id ){
		var element = document.getElementById(id);
		if ( element.style.fontSize == '' )
		result_size = ref_size;
		else{
			result_size = element.style.fontSize;
		}
		
		result_size = result_size.substr(0, result_size.length-2);
		
		if ( action == 'in' && result_size > 12 ){
			result_size = parseInt(result_size);
			result_size = result_size - 3;
			element.style.fontSize = result_size+'px';
		}
		else if ( action == 'out' ){
			var result_size_int = 0;
			result_size = parseInt(result_size);
			result_size = result_size + 3;
			element.style.fontSize = result_size+'px';
		}
		else if ( action == 'fixed' ){
			element.style.fontSize = ref_size;
		}
		
		
	}