function firstclick(input) {
			var str = input.value;
			
			if(str == "E-Mail Adresse eingeben" || str == "Namen eingeben") {
				input.value = "";
				input.className = "inputactivated";
			}
		}
		function losefocus(input,name) {
			if(name == 'name' && input.value == "") {
				input.value = "Namen eingeben"
				input.className = "";
			} else if(name == 'email' && input.value == "") {
				input.value = "E-Mail Adresse eingeben"
				input.className = "";
			}

		}
		
		function sprintf() {
		   if( sprintf.arguments.length < 2 ) {
			return;
		   }
		   
		   var data = sprintf.arguments[ 0 ];
		   
		   for( var k=1; k<sprintf.arguments.length; ++k ) {
		   
			switch( typeof( sprintf.arguments[ k ] ) )
			{
			 case 'string':
			  data = data.replace( /%s/, sprintf.arguments[ k ] );
			  break;
			 case 'number':
			  data = data.replace( /%d/, sprintf.arguments[ k ] );
			  break;
			 case 'boolean':
			  data = data.replace( /%b/, sprintf.arguments[ k ] ? 'true' : 'false' );
			  break;
			 default:
			  /// function | object | undefined
			  break;
			}
		   }
		   return( data );
		  }
		   
		  if( !String.sprintf ) {
		   String.sprintf = sprintf;
		  }